Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAAuGLx/llseb9e+S0diNCzrXvsvR5GrA8WahRu/6zcEm1mMWCo+kKWhdM+… (1,748 chars)"
  }
}