ContactUpdateInput

{
    "phone_number": "+31612345678",
    "full_name": "Jan de Vries",
    "email": "jan@devries.nl",
    "address": "Prinsengracht 456, Amsterdam",
    "last_interaction_at": "2019-08-24T14:15:22.123Z",
    "last_interaction_summary": "string"
}