Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFfcJ0fqMVSUzY2aoDpT+hfKc59HynTTSe05TBG9ojmkxLST9cGHPOt3Yke… (844 chars)"
  }
}