{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "568518925",
    "entityType": "User",
    "nonce": "0xf581608c88f3c74477368b54640d5fe7c1c1895eafa2bef8b4d717e58717d98e",
    "signature": "0xb60ed8ac3f17f1895e68b997e99225748c24d3966bf34fa4b70827e3f17fc61a20c52a1bb5c249c5244d112a1f23065ca7d80fe9eb6292053d416ecb40acb5861b",
    "signer": "0xdF94159720AB889b4D53EB68Be2E4869f38b9eFc",
    "userId": "863573949"
  }
}