Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEqnZSE8tHx4OM2ys8TNlbu8Zwdnvuc2RlBCwwgLMiZ5kqxCkYliQSHlEQ/… (844 chars)"
  }
}