gns3-server/docs/api/examples/controller_post_projectsprojectiddrawings.txt

curl -i -X POST 'http://localhost:3080/v2/projects/2ac1ea25-3887-4a00-ad45-67c69ac92aa9/drawings' -d '{"svg": "<svg height=\"210\" width=\"500\"><line x1=\"0\" y1=\"0\" x2=\"200\" y2=\"200\" style=\"stroke:rgb(255,0,0);stroke-width:2\" /></svg>", "x": 10, "y": 20, "z": 0}'

POST /v2/projects/2ac1ea25-3887-4a00-ad45-67c69ac92aa9/drawings HTTP/1.1
{
    "svg": "<svg height=\"210\" width=\"500\"><line x1=\"0\" y1=\"0\" x2=\"200\" y2=\"200\" style=\"stroke:rgb(255,0,0);stroke-width:2\" /></svg>",
    "x": 10,
    "y": 20,
    "z": 0
}


HTTP/1.1 201
Connection: close
Content-Length: 323
Content-Type: application/json
Date: Thu, 29 Jun 2017 15:07:48 GMT
Server: Python/3.6 GNS3/2.1.0dev1
X-Route: /v2/projects/{project_id}/drawings

{
    "drawing_id": "08d51af1-2ef2-410d-a4f4-8abbf00b6639",
    "project_id": "2ac1ea25-3887-4a00-ad45-67c69ac92aa9",
    "rotation": 0,
    "svg": "<svg height=\"210\" width=\"500\"><line x1=\"0\" y1=\"0\" x2=\"200\" y2=\"200\" style=\"stroke:rgb(255,0,0);stroke-width:2\" /></svg>",
    "x": 10,
    "y": 20,
    "z": 0
}