Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDR+mHwp3/hPmNak+7x8vW0p+PucRVEANP12ZmIY41gPXNOlD8GeUNTAVGG… (844 chars)"
  }
}