Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBeNE3ZAKd/mrE0j/5sG15sAut9d/BFEX4LGEGrK9BRVFg1ABX2KyZ8S7Y5… (844 chars)"
  }
}