{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227645",
    "entityType": "User",
    "nonce": "0x45520a29bafa15d9f1dc7637f1f61c6e795b06e4efcad40300cc6d86c10def9d",
    "signature": "0x1d5e6505e155451b061108dc5b4c99c340b813858df3160c181ad20297914be655dbfa45d877b3c622f5ff63fdc3bf521c99d02f99f7b8b38670660e3c689f7e1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}