Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEcusc7X9FXg/Kj5rLocqT6E/JnpCtEDn2atFrVrk5RviwMSLt7BpiANEi+… (1,748 chars)"
  }
}