{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "943748539",
    "entityType": "User",
    "nonce": "0x723729cfc17d856b19bc3f8a56ac15cafc3cf1b8ee8e3b9da10798f8591b01ce",
    "signature": "0xaf3ef949ad1a62c53adf1b0eb62be744098b35a6c8b57dc658926e6d01f6cddc2a045f4a17af4e0ec13d2737529b43e71fa1c433a107dc5a1818b7d7bbf259861c",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}