Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBMVytuA8FKTwFIauy7r4e6B8rtnViq3/PG5kbHDxVFxWjmY/9LBHN9YHhi… (844 chars)"
  }
}