{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0b8247a56ee87c64af23a4d7f0f5bbc88f1645be3933e81d6fcffd32aeedd98f",
    "signature": "0xc901c54381d168365106516f08850ef7627573bf0de9711ceb1168dce864a11c35c2be264fd56124e2731cbe4f75db0172191b5023a7c9be3c01249bf5c941ab1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}