Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBd/fqx1hQ/QXVOZRFRRZdrCPvJyl+psC1d3Rg86iMDkG6uyWp6S0v8cUQ/… (844 chars)"
  }
}