Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAN+2D0YFB3L3oUCh6dIWrcvsuAT6EkmUv4DenT1OnrgEEOKJMnRZ6fOnCh… (1,748 chars)"
  }
}