{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xecee795aa065f60f1fc93628a17605ea127bb7dcb73143d7c8024e1263455ef3",
    "signature": "0x3ababca9bfd0029319947e51de0cb3bb7724a8eaf61687204df4204fbbf054c82bf5af7b3197d3e52a561eabaa4f102cc4826c836b099af2e10fea1f70c86f401c",
    "signer": "0x862B671852FB71Ec0D06f6d1442B325a714BFf34",
    "userId": "919140410"
  }
}