Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBqmRqvc4s4lcoE2C6DMQ2xCZyRDyJR9AgnKf3WB4ijDgxhiRPUs5i+bKR2… (1,748 chars)"
  }
}