Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCiS9qIe1TSO0G3TBF8GDv0tJT2+pL+EOxPI1dxxMlzGgB0jVpZ4RdYBJ3R… (844 chars)"
  }
}