Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE3rYSrGoDKYvX4zW29Dsxg3IrGM4UjLTUclgpW1evOPgr6uM/8jr4bMy2f… (844 chars)"
  }
}