Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFAh+9Pmdl6W8m4qe9nlh4dMhcIJMJaPPt6xFR+Mc5A6lUnW+JeTlAH0CgJ… (844 chars)"
  }
}