{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "266479",
    "entityType": "User",
    "nonce": "0xa4c5cfa4e81eec8ad31906a06bacdc9165c04f5351aea74f35a7bba99f6e3f29",
    "signature": "0xff646fc9de935f9978bfa30f7b02047c41e5c3422b3d41e57668f2a680bd0b3928e48f4bab4a14b1fc7b9b25122f00495fd9756d804d83e3f2913182da76c4fb1c",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}