Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFXu+5P8i6fFG/sAaZoni4eE6yVMuIVnFJb8kfnysnocQEGSI+X4WJjIaXM… (844 chars)"
  }
}