Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEPFwAEBSBS4IE6sN2Lf+Tfq+ETi0zQ6lfzI7Jav3ouSDgGzWh0CywXM2/S… (844 chars)"
  }
}