{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x78ffdc4ece55d9665aafd6b8fdd724801734221681643ac30bd0ddb42ffc0f8c",
    "signature": "0x0bc534863659b9c5c4497e579dd1b8f0f4ec533967a624fa9ba1d5456b599762753e13319cff8d3e66f1e2c92820d3e94cec0dacc704060d48db900b5c4941df1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}