Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQASqFyv8ek/Jp6/5VI99z7xp8yId7+c9wHyTdWt2aLA10tVLUZn9/Fb+iiB… (1,748 chars)"
  }
}