Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF/4RKzC0qKSM/XUN1peAA0RhOb4FLbA3wAaaKdHiJs6Bco9P2fMDvf2O8X… (844 chars)"
  }
}