diff --git a/modules/rubiconBidAdapter.js b/modules/rubiconBidAdapter.js
index 4a0dd10281b..da23cca62d1 100644
--- a/modules/rubiconBidAdapter.js
+++ b/modules/rubiconBidAdapter.js
@@ -516,27 +516,25 @@ export const spec = {
     // For SRA we need to explicitly put empty semi colons so AE treats it as empty, instead of copying the latter value
     data['p_pos'] = (params.position === 'atf' || params.position === 'btf') ? params.position : '';
 
-    if (bidRequest.userId) {
-      if (bidRequest.userId.tdid) {
-        data['tpid_tdid'] = bidRequest.userId.tdid;
+    if (bidRequest.userIdAsEids && bidRequest.userIdAsEids.length) {
+      const unifiedId = find(bidRequest.userIdAsEids, eid => eid.source === 'adserver.org');
+      if (unifiedId) {
+        data['tpid_tdid'] = unifiedId.uids[0].id;
       }
-
-      // support liveintent ID
-      if (bidRequest.userId.lipb && bidRequest.userId.lipb.lipbid) {
-        data['tpid_liveintent.com'] = bidRequest.userId.lipb.lipbid;
-        if (Array.isArray(bidRequest.userId.lipb.segments) && bidRequest.userId.lipb.segments.length) {
-          data['tg_v.LIseg'] = bidRequest.userId.lipb.segments.join(',');
+      const liveintentId = find(bidRequest.userIdAsEids, eid => eid.source === 'liveintent.com');
+      if (liveintentId) {
+        data['tpid_liveintent.com'] = liveintentId.uids[0].id;
+        if (liveintentId.ext && Array.isArray(liveintentId.ext.segments) && liveintentId.ext.segments.length) {
+          data['tg_v.LIseg'] = liveintentId.ext.segments.join(',');
         }
       }
-
-      // support identityLink (aka LiveRamp)
-      if (bidRequest.userId.idl_env) {
-        data['x_liverampidl'] = bidRequest.userId.idl_env;
+      const liverampId = find(bidRequest.userIdAsEids, eid => eid.source === 'liveramp.com');
+      if (liverampId) {
+        data['x_liverampidl'] = liverampId.uids[0].id;
       }
-
-      // support shared id
-      if (bidRequest.userId.sharedid) {
-        data['eid_sharedid.org'] = `${bidRequest.userId.sharedid.id}^3^${bidRequest.userId.sharedid.third}`;
+      const sharedId = find(bidRequest.userIdAsEids, eid => eid.source === 'sharedid.org');
+      if (sharedId) {
+        data['eid_sharedid.org'] = `${sharedId.uids[0].id}^${sharedId.uids[0].atype}^${sharedId.uids[0].ext.third}`;
       }
     }
 
diff --git a/test/spec/modules/rubiconBidAdapter_spec.js b/test/spec/modules/rubiconBidAdapter_spec.js
index c28af4a3f9b..a2b554c1f5d 100644
--- a/test/spec/modules/rubiconBidAdapter_spec.js
+++ b/test/spec/modules/rubiconBidAdapter_spec.js
@@ -1316,7 +1316,7 @@ describe('the rubicon adapter', function () {
         });
 
         describe('user id config', function() {
-          it('should send tpid_tdid when userId defines tdid', function () {
+          it('should send tpid_tdid when userIdAsEids contains unifiedId', function () {
             const clonedBid = utils.deepClone(bidderRequest.bids[0]);
             clonedBid.userId = {
               tdid: 'abcd-efgh-ijkl-mnop-1234'
@@ -1329,7 +1329,7 @@ describe('the rubicon adapter', function () {
           });
 
           describe('LiveIntent support', function () {
-            it('should send tpid_liveintent.com when userId defines lipd', function () {
+            it('should send tpid_liveintent.com when userIdAsEids contains liveintentId', function () {
               const clonedBid = utils.deepClone(bidderRequest.bids[0]);
               clonedBid.userId = {
                 lipb: {
@@ -1343,7 +1343,7 @@ describe('the rubicon adapter', function () {
               expect(data['tpid_liveintent.com']).to.equal('0000-1111-2222-3333');
             });
 
-            it('should send tg_v.LIseg when userId defines lipd.segments', function () {
+            it('should send tg_v.LIseg when userIdAsEids contains liveintentId with ext.segments as array', function () {
               const clonedBid = utils.deepClone(bidderRequest.bids[0]);
               clonedBid.userId = {
                 lipb: {
@@ -1361,7 +1361,7 @@ describe('the rubicon adapter', function () {
           });
 
           describe('LiveRamp support', function () {
-            it('should send x_liverampidl when userId defines idl_env', function () {
+            it('should send x_liverampidl when userIdAsEids contains liverampId', function () {
               const clonedBid = utils.deepClone(bidderRequest.bids[0]);
               clonedBid.userId = {
                 idl_env: '1111-2222-3333-4444'
@@ -1375,7 +1375,7 @@ describe('the rubicon adapter', function () {
           });
 
           describe('SharedID support', function () {
-            it('should send sharedid when userId defines sharedId', function () {
+            it('should send sharedid when userIdAsEids contains sharedId', function () {
               const clonedBid = utils.deepClone(bidderRequest.bids[0]);
               clonedBid.userId = {
                 sharedid: {
@@ -1387,7 +1387,7 @@ describe('the rubicon adapter', function () {
               let [request] = spec.buildRequests([clonedBid], bidderRequest);
               let data = parseQuery(request.data);
 
-              expect(data['eid_sharedid.org']).to.equal('1111^3^2222');
+              expect(data['eid_sharedid.org']).to.equal('1111^1^2222');
             });
           });