{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "18122",
    "entityType": "User",
    "nonce": "0x472977115eeefc8051f4e4ac12da882a9564e2729d822733845cda2b0087dec5",
    "signature": "0x9772d7fee6a5f79d0477300354bd00e949326f25663fac56f38b303f0fab84f11c08fa765175e48425e9f6b00c7f70e68606aae267439418c920f7c9ca1a79a21b",
    "signer": "0x25E1Cc64Bd72FaD56C1D4C44e1fc2307BdcDa0c5",
    "userId": "7892"
  }
}