{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "155643",
    "entityType": "User",
    "nonce": "0xab542ff34e68053b5516588d83a976cdf6b874c2b1143b3208c904c2b6407210",
    "signature": "0x857e22f4df09247f5f45a43c289ca5f3c60d6698a3c06588d8bd344221ca78e4164b05d98d259088454b096ffb7c3674ceef89eb6cd9bae6951b4e3afa897e7c1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}