Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGRxdwMUSDUMww/Juxpm4mXF/Y3eH4sMt6fkAvHLB78Eg8JGKR6H7G+fK+F… (844 chars)"
  }
}