Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFHDi3OhcH7BByp3Z/0Bou0KU2D1eRRNn6ZEnCHstdT8X4HXYGVi7AjKQ2/… (844 chars)"
  }
}