List team signatures

Example response

{
  "_pagination": {
    "next": "https://yourCompany.api.frontapp.com/signatures?page_token=9fa92a7f385fd7be43f7153055b30e6d"
  },
  "_links": {
    "self": "https://yourCompany.api.frontapp.com/signatures"
  },
  "_results": [
    {
      "_links": {
        "self": "https://yourCompany.api.frontapp.com/signatures/sig_6rrv2",
        "related": {
          "owner": "https://yourCompany.api.frontapp.com/teams/tim_k30"
        }
      },
      "id": "sig_6rrv2",
      "name": "Finer Things Club signature",
      "body": "<div>—<br />{{user.name}}<br />No paper, no plastic, and no work talk allowed<br /></div>",
      "is_visible_for_all_teammate_channels": true,
      "is_private": true
    }
  ]
}