Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQKVQUdG2R9/a0QXL5KMsT/h/QmlfyC0GpUNtMt1uFgA63tufksg/4/OZxo4… (1,748 chars)"
  }
}