Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEJ+loIMZniDgWh5VUh9KR5G93ELm6x6wxfDVOnYa3z3zGLLi1GWD+Hv6Wc… (844 chars)"
  }
}