Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDd/lFfa8x2glq3rJEzE63GniiAIFOK1JqBXvjRsJsThk8hV6rEsXTv5eQI… (844 chars)"
  }
}