Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH6Z/JxAqrVtAfCFk27j36Wye/dUzUMHRiHaq0aREQIo1DAr55PCI8M7Vxk… (1,748 chars)"
  }
}