Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCpz/tHk2oeImTpb5C3vzLcMj2Hhzg7J2QuiALemB8qlxb1BAAzuBSmV1RV… (1,748 chars)"
  }
}