Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFbY/jHJstb2CTLX3SiRzxo8tzcIxs5jmDfzb7gPFrYSy4Y/WFJ3WRjT+O+… (844 chars)"
  }
}