{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x57c4e0b56cd9afc48d494303d40681cdf899669c2eaa6763211c1df12fa5ceac",
    "signature": "0x60602f01534e4bff7cd6217620d63c161126665ab81169704d18e83361b030094b5659a8f3dc0cb317f2b7b79741dd7f309c8805f3ad0f8604575d4ba9dfe0561b",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}