Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCvzFA8yT0Ui8KOu7M4eA2wQ4qtlqTBR3UAABjJX8Zl2n4aiMNoPlgd0tCc… (844 chars)"
  }
}