Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBw+erzN2fTY/XE24hK3oZBV2L4aSJyn/NX0n+zT9ziRQBzPjV+416wj7BY… (1,748 chars)"
  }
}