Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwABd9XLwPnuXLr21fWhXsXPySD5aQr05V5cBJBufTL9G1OIqDCKqJ1Bpndj… (844 chars)"
  }
}