Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF6YzXyp+8kVVTRPjm0mjAITaQT1SV/52K8gWTJTF8XPGPN60E5ogGuFD1I… (844 chars)"
  }
}