Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBkSoz0FhDCDrJe2DtmDZk+0C9wXY6QuBP7rjGrX2w6/nqLW/IJaHwsxAHK… (844 chars)"
  }
}