{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1477402",
    "entityType": "User",
    "nonce": "0x58582b2dd661d0553d4db0a1c7e85842da009c4d11fb9ec53eaf2685fa740954",
    "signature": "0x83cd93c98b255555c577de9ba37947c776db6ddd4843fb520fea9261885a4d4e60bca82d853e435f22af60c5bd66f626dd6260180a07e1a868608164cfa01d3e1c",
    "signer": "0x65713D8B67e43F161145FC092a5bEC88993709F2",
    "userId": "230642444"
  }
}