Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDNQuJnkFAlIFf5dHKSpDHbLd9wPAe+/HzKpNNtNWkS+Bv6umOD4MxDNxjI… (844 chars)"
  }
}