Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFi4n1DZ79D5HHPy7KwfT8cLcaEE1K8UhbOE/BaQkmL0k7apwRwLFsj2x2V… (844 chars)"
  }
}