{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "756887",
    "entityType": "User",
    "nonce": "0x7686376f90a40573bb7d3cd3ddf8c0c6aae55f9c9f8b5bbdc4d6755efaeddaed",
    "signature": "0x8a68adb3457339277ecee9aa571461f1fedaa853e9f17e1c9fc7c39f006e6f8234bd1d5d265a2b250de2f1451205c2aa7023cdfba52c66d4d36ba3dcd8570cbd1b",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}