{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x931197a99b931a044341acc3037f15b1027407cf3fb992455dfd4e7a159670ea",
    "signature": "0xab67aa3b8a37724c03b23974a3025889addd4c5afc6e51243cd64c571db258a73ef964373e619f0d1a3b62097467173d6f16c920b090e7001daedec56f3500611c",
    "signer": "0x79d45a77BC3bf63157423b7Eef0ffD3a78067C4C",
    "userId": "53713679"
  }
}