Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH3IOiQK0u3mJI20PiXlOcZJ3SXDWq9+EGKGK3A6RHa11kKphfl4Fxy7S1/… (1,748 chars)"
  }
}