{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "219358",
    "entityType": "User",
    "nonce": "0xb2d83511f8586a8256104c4e4e3fe74869e94a0ca3f2201a05ab015e7f968928",
    "signature": "0xa4318f08422d231db127a901e3acd70bd7fdfd4ff97df98be21f6c73af502a8914d98c45d73d529bd5a804dd4de4344a24d52b7cc4e751f12f0a4e0bb9cdb5711c",
    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}