{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb9643afea7dbe9dc325d711fffd8df5b7995f212a5089ea1115c44272007926c",
    "signature": "0xb140b05fddd1ee31b9cdeeb64cf0d1bb7a8d01a3a12878f72da14f506d02029d633c0a4b1c30030a09313c5bc28c89836215b06d5c60e56959b907bdd6a3c2b41b",
    "signer": "0xAf282bAC6d0e91B08Caa0BcC0F9743f121852A25",
    "userId": "15651101"
  }
}