curl --request GET \
  --url https://us.infisical.com/api/v1/projects/{projectId}/memberships/groups/{groupId} \
  --header 'Authorization: Bearer <token>'

{
  "groupMembership": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "groupId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "projectId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "group": {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "slug": "<string>",
      "orgId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
    },
    "roles": [
      {
        "id": "<string>",
        "role": "<string>",
        "isTemporary": true,
        "customRoleId": "<string>",
        "customRoleName": "<string>",
        "customRoleSlug": "<string>",
        "temporaryMode": "<string>",
        "temporaryRange": "<string>",
        "temporaryAccessStartTime": "2023-11-07T05:31:56Z",
        "temporaryAccessEndTime": "2023-11-07T05:31:56Z",
        "createdAt": "2023-11-07T05:31:56Z",
        "updatedAt": "2023-11-07T05:31:56Z"
      }
    ],
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z"
  }
}