Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEnKHZ/MBLB2VK4WmYXabJwuKJF9/l+BlBMoD7Bi3IOF2h0zYCU2kRNIcYY… (844 chars)"
  }
}