Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwClOH/FlSBzr7P4Dc2mHmITIZTG9QZ1SL5vlHyGm/MMUGvB3/zJHwmajP+2… (844 chars)"
  }
}