Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF3IBvT9YO2RKI4PGVnzHGIM0PPY8EBXLSMTGJhzfAQ2R6JVh/hq6tIb2vR… (844 chars)"
  }
}