### Query
GET http://localhost:8080/json/user?include=school&fields[user]=username,school&fields[school]=name
Content-Type: application/vnd.api+json

### Create
POST http://localhost:8080/json/user
Content-Type: application/vnd.api+json

{
  "data": {
    "type": "user",
    "attributes": {
      "username": "tony3",
      "password": "tony"
    },
    "relationships": {
      "school": {
        "data": {
          "type": "school",
          "id": "bd80714e-7345-4d65-97ae-3339c16b0275"
        }
      }
    }
  }
}

### Modify
PATCH http://localhost:8080/json/user/4a5668ef-52d7-4a46-a6f8-60d918f0562d
Content-Type: application/vnd.api+json

{
  "data": {
    "type": "user",
    "id": "4a5668ef-52d7-4a46-a6f8-60d918f0562d",
    "attributes": {
      "password": "lonely"
    }
  }
}

### Modify Relationship
PATCH http://localhost:8080/json/user/4a5668ef-52d7-4a46-a6f8-60d918f0562d/relationships/school
Content-Type: application/vnd.api+json

{
  "data": {
    "type": "school",
    "id": "bd80714e-7345-4d65-97ae-3339c16b0275"
  }
}

### Delete
DELETE http://localhost:8080/json/user/6cdd308e-8cab-4376-a0db-5dc6f7c9e0cd
