user.assignToken

{
    "user":{"id":"user id 1"},
    "token:
    {
        "id":"token 5",
        "product.manufactureCode":mc,
        "product.productCode":pc,
        "serial":xxx,
    },
    "credential": // optional
    {
        "otp": "xxxx"
    },
    "autoAssign":true|false,
    "action":"assign | unassign",
    "isOwner":true | false,
    "starts":xxx,
    "expires":xxx,
    "usageLimit":50,
    "status":"active | inactive | disabled",
    "pin":"the token pin"
}

{
    "error":0,
    "id":"tokenAssignmentId"
}