Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCB/i/2r+UlUCGMP+bPqNUzpnze7nRTYOEqGJ+yOc2TVDIXU7CSOkiDpQhj… (844 chars)"
  }
}