Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFNrWS+MghWT1nhoORK+WjyRLqO/8o11OMVypbv0gX9KyP/W4CygXi/jtOp… (1,748 chars)"
  }
}