Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQANerGOn89UZ6U8LOeqv/rSHvOhOhS9KdCbxmM8en0W5TSUhujlXrLlc/ZZ… (1,748 chars)"
  }
}