Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQADiO6+ybCzhi7k6e74Nrvv/R/Qx5n7ICLm6blEjrDpxD+sxoYm29Y2HLks… (1,748 chars)"
  }
}