{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "445578",
    "entityType": "User",
    "nonce": "0xe2b5e68f0c4bb433ffd363dd8ae375fd1c9206a684c49987c4211032d78866d0",
    "signature": "0x14c15ffaf243a1d6bc7dd05fd22b3ae118024755d0775a170e14d115a0e76e36348768cb94ab94e90a501d524f3466908f027e453055037ec8d22b1967609b341b",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}