Create an Entity

POST/custdev/core/entity

{
    "FamilyKey": "64251784124",
    "Fields": [
        {
            "key": "64251784137",
            "value": "tech number"
        },
        {
            "id": "MI_EQUIP000_EQUIP_SHRT_DESC_C",
            "value": "description"
        },
        {
            "key": "64251784126",
            "id": "MI_EQUIP000_EQUIP_ID_C",
            "value": "equip id"
        }
    ]
}