Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB8CS2fh4ynkzs1fFCynKOOkP2Hj7CGZQTdjsRWWe+TFyA3/1fq1g72Pmbd… (844 chars)"
  }
}