{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71828",
    "entityType": "User",
    "nonce": "0x5044749814cbb71d84d6072d073868ab32c734d86f86722e34b9bed5f8b0c720",
    "signature": "0x90d37f8703c6e0d4dbafc00745bf671aff41655a641b3b10f84265a14eff4d537424807d4b82cb11ce039517cee1dcb74cb1e009b5166c903d1e0a68bd9a4c271c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}