Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCLvkpCGPyloxF0dNs+xTPV0bJe3FunUMjb0C4eDnL/7CC3TAIVJ2YQa2j9… (1,748 chars)"
  }
}