Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGs+7Jb+Hv82cbgaXqBSGp0UORviOQa+9t9zeLUJcVVVUkGiyhNXvLx7jrA… (844 chars)"
  }
}