{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "325",
    "entityType": "User",
    "nonce": "0xfc139920890f0ea8228c8f471546e49f7bc1c24e774ca2998e17bc69a127c990",
    "signature": "0xe8389ff326df8dda1570d900ed68f66a04208b333e17fb6d3b8e56f269294d682404569f0ffb4d6c2fd6e2a6cc6a839a21e3f24c15b460c962d48505785ee8c41b",
    "signer": "0x65C016D41B806B3457B4834a83C5AFA74dE26E5F",
    "userId": "915119337"
  }
}