{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8f8c66fde373715ef4ca41323af4e66afb2d267342e068db99708509f8e1ec1c",
    "signature": "0x597396d60682ef06a4e2f5547311d72d0ccc8f9d5ce4d35f4d91ed8c5c7aaefc2903591e00c2e447cee82f1822483e1e4db41f6752ff82ae3d9c18b5972742481b",
    "signer": "0x6e0A393D3fFde95ebC39b35EC897FB11A2320946",
    "userId": "526617527"
  }
}