{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "547124825",
    "entityType": "User",
    "nonce": "0x508fd2e7a7d68cc58dc264a77a0ea70c9fd2657d17adb5d5a6e65f2cdf7006e9",
    "signature": "0x9ad633d543217e0df3eec5c8a5430de00ec4131f51c9a785dcdd9f2c834e510545ffa426cc1ca6277205bf869f1c0a9affac21d886e3f8e1c86b8c5be7c0a04f1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}