{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "3668",
    "entityType": "User",
    "nonce": "0x50b48318b23991142b5d76316f1bb79078347035e3ce7bb8957070d39f0ec016",
    "signature": "0x2439f16448a5df274c2e93dc47f55f05eaac120b2f7cd827f7b1d71180a6275d22df5a10bbbaf590e867e8311b8282b161e1af3d037da79aa72f6395603a090b1c",
    "signer": "0x010c3D5aF33aa5Cbd1589eCf8Ea0F116848D598c",
    "userId": "943632467"
  }
}