Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHy81LkptJOiHpZq0ynp3NudEzW8Nvg+Vnfvm0AAy555T7kc1B75XYkRtR9… (1,748 chars)"
  }
}