Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHYizk/Bxs7LhJRHrK8SV39THQFN1WO54bOL7jNMDEafErp4TaG1F6+xrrG… (844 chars)"
  }
}