{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xd19575e0ef5005ad158f8e4d0648ac3e78318b1ff84c1b47fce11d609ee45f72",
    "signature": "0x8d29420bc112be6bd8af4ed8800efb91a8dd45ff2ce47dbc5d77ce62be3f4023563777e186642d97ed87cb631ea3db0d1cb9676b79493a90557381fe3b9da81f1c",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}