Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAR0gtmO4RqrzvPGRnv+jGlYHQBp2rM/1aeq2+qWaKMuVLiiL2hcHA3WPWj… (844 chars)"
  }
}