{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "302689",
    "entityType": "User",
    "nonce": "0x536ee6e3bcfbe3e1108959293856ef41141bbd8aef2482f324fe7ccf0b1fa23d",
    "signature": "0x6a62d566dacc70639a9fe2527a685f08bb61081470205d49bdb99f6d9d8af118623b300897ecf41c9cad17205f40ebb89adf2987de983512c43e4a15732a37bd1b",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}