Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDB8/spv7YU+gBptTgorVQWtU5YrPb2R9NjSv3PBOzEXh94JwQvn415QqK/… (1,748 chars)"
  }
}