Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDR48TCKnAiX2d25UG+Qy/xPUASmOFnXg6j7qdqZcdPQkJ1pfK8i6DJE2hT… (844 chars)"
  }
}