{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0xd7ff5b27e86fec0b7158c8b837a68594597c4b2966f6624d66ae6f97e559bc7d",
    "signature": "0x4989c75e2c204cc050d13ea35dac3d4785c48d44e8ac2826204c828d5121be2975793444524e1e64122ac6f0e50305a849bc2e55772e68e6ce37b8a6d34134c01c",
    "signer": "0x674FFC02F71bdD4bD3Ae60c618579EBDD541E397",
    "userId": "787787230"
  }
}