Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF4LlE8UMDm7h0ofPtJhVRvS6TgD6sRwjty7RjVi9cZ3yJar/1e4VQrqwMZ… (844 chars)"
  }
}