Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC6u+4CiZWjcr1PLrLxw2lzjNX6f4/EDMTZfIkiOIZHUXW3JJHkYFYzrsr9… (844 chars)"
  }
}