Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDluvT71HhO46lVoOC3LCTcIlC+EMS9VLJ8s5fR6NtXPFEn6XMEw+1eU5q3… (844 chars)"
  }
}