Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHp4Vm9YBjALaCi2lhENe2aOB3yK+29ucDqD9rZfcW/9lCiMoQlY+ALiF5f… (844 chars)"
  }
}