Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBp2nW1J6g5K+IswVB8Fiv1Ix0dFVMFaUO826wJrGVFtX6PPSliictSKevZ… (1,748 chars)"
  }
}