Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFqAhSEi2iV+Q4xqBwLv9O7C4sew0fKF6bj5yKjngJIbwsQO1+WYmfx3+gt… (844 chars)"
  }
}