Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBcEIk7chzqVBq6Hzwok1xEFBWsVGMXPRkIc/z7pWwYF25dWcAm3odVXbzA… (844 chars)"
  }
}