Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAWXM4jQDk9AXgsIB/SaFHPvZQbVD5+N/M1aIZXV9bjCwWRSqP8koBPakEm… (844 chars)"
  }
}