Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHDPe4B0tLTkO2Hm/cu3MCbhGQq6AbZkVQ0yqHIY7mXcwf3UEBYaOAGU/nO… (844 chars)"
  }
}