{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363614",
    "entityType": "User",
    "nonce": "0x32b0e4dc14d73fedb54225d7df617b1790c90fea9691dfac58e27c206b840f42",
    "signature": "0x9a18aced7b4b90eb642787f40a078dd5c986795df75b7b41ac13b3d6c93b65056a54022b8b850d2c9a93944362eb84184aafd22f7d3daf565499a6d02b7c069f1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}