Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCWWHjxgn0gK/jmUBUl1UG8pyinCVGPdE3Yh0v+L7SLHDrauj0gOKQGHzJC… (844 chars)"
  }
}