{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x8658f38436e0434c6f255bc13d29ac1c19d05228433a35b768e6ae5152aa4855",
    "signature": "0x6c20e9b4a3f11a5f8d45ff0f03b5f8c858d632859f2ff0956ec18f29d0748a2f22e810fe76c2404fbce27b02454e6ffebd3e6d66d7fd8cb4c330598f43833e071b",
    "signer": "0x2E3d52B1402C716b32Bed03725756c3e8Be58636",
    "userId": "581962190"
  }
}