Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF2JlFr7IiTN5WjY2A9jxVBVstxuFmK/jjCbBItl8nCl1m3QbTrBPr5W/q5… (844 chars)"
  }
}