Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFKcfVBEkd+s+Uf1TlkPIZGGpV0gtNI9i0V5PBS2khnuBwb/yrfvwMIoVE5… (844 chars)"
  }
}