Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEtKp73+WYDBUTtrh9bQBb0hX2FsrMTFQB7fwCvc1Kn8zCe9IZxR1/nP5he… (844 chars)"
  }
}