{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "665",
    "entityType": "User",
    "nonce": "0xd711e0f789e8456654064e06ce6b7d39d5edcb0a60f4dbe3ac36fba025722c3a",
    "signature": "0x53b393624d6e7577f253ae23e4364f30b554a4d89a23a035a47e50658bdc4c057226686d08f33a8b0e2270817acf7ef2ca568499ebf347b8083a853ff068ee591c",
    "signer": "0x3a445fb4E2f4bA0d31274a8865b77A74bd192F2F",
    "userId": "147726"
  }
}