{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x548e1ec75dd15defb7dcf0a59639267a10124ce406352e248452b5cf5497fdbb",
    "signature": "0xb1cf0d0c7f39fa1400e30ed0d56c7b32736e847cf96f778be47cfb1ee3c33f933504c72851f90f904a0de3c42f72724f8087f4c31ff440581bebdfc2561fee971b",
    "signer": "0xE7743A7400A92290CfE93A3de48a3D4A33D9E97b",
    "userId": "802326336"
  }
}