Exception in the API to get proof of a Bitcoin transaction from the SPV service

[Dawn-githup]

curl --location --request GET 'https://213.assets-api-342ddd42.nip.io/rgbpp/v1/btc-spv/proof?btc_txid=f52e35181e3b1edef0e06bbf2b5fee2a6bd0f628fdb2472146fc87f77155f82a&confirmations=1' \
--header 'Authorization: Bearer ***' \
--header 'origin: https://api.testnet.rgbpp.io' \
--header 'User-Agent: Apifox/1.0.0 (https://apifox.com)' \
--header 'Accept: */*' \
--header 'Host: 213.assets-api-342ddd42.nip.io' \
--header 'Connection: keep-alive'

error:

{
    "code": -32602,
    "message": "Invalid params: invalid type: string \"1\", expected u32."
}

[Dawn-githup]

#213 (comment)