Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA6jDx/5xJzi9cnDZSBcXgPyrTu3+sKi2SEG3cMcj4QcnO6g8KrUrq9s+z2… (1,748 chars)"
  }
}