{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x8811f8e5d4d93623a6a344dc08c0d7ca2f63514111ad818a9b8f781ead7c7626",
    "signature": "0xbcd0c06f4bf9a3a884a0fc5661a5109523f228e83e46ff1a50df4ac88fb341dc1e6c53b4208ff4450f53c249b6ee6925ff24e7186fff1d445726dc371e599a441b",
    "signer": "0x6B3fc364E4fD66E8aaD9cf933429F39b6C971b15",
    "userId": "429038292"
  }
}