{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc49574ed4ca70e94ab9b33ae37a8876dd9e901ca4fd0fe095622b8ab2e94cd1f",
    "signature": "0x2e5ce14f11076f71913004c4d4810df0fb1bec77490b6c9ece961ab654f0f7b87ad9301bf3897dccd2d632f3f309065dbf94c6498461f2a5bd7b1ff7f42f2a3f1b",
    "signer": "0x915Bc32f7B815B30Dc2Cb3Dc40D36fE1B6205586",
    "userId": "551997732"
  }
}