POST api/PutMail

{
  "idMail": "0d4533d2-0967-4d7c-a1ab-7d996e4d1e56",
  "mail1": "sample string 2",
  "idTipoMail": "03e23cce-f3fa-432f-a3ef-13dfa4ea4efe",
  "Contacto": {
    "$id": "2",
    "$values": [
      {
        "$id": "3",
        "idContacto": "7e10d4b6-799f-49bc-bd50-3ed1b3987cec",
        "Paterno": "sample string 2",
        "Materno": "sample string 3",
        "Nombre": "sample string 4",
        "Telefono": {
          "$id": "4",
          "$values": [
            {
              "$id": "5",
              "idTelefono": "aacd1655-5692-4ef4-92a8-3021c47dbf45",
              "idTipoTelefono": "c9f5dcfe-f8a9-4aad-9b95-9f4cde4d5fb9",
              "numTelefono": "sample string 3",
              "numExtension": "sample string 4",
              "TipoTelefono": {
                "$id": "6",
                "idTipoTelefono": "8eb4472e-b1af-4ef5-88e6-2ec7152be012",
                "nomTipoTelefono": "sample string 2",
                "Telefono": {
                  "$id": "7",
                  "$values": [
                    {
                      "$ref": "5"
                    },
                    {
                      "$ref": "5"
                    }
                  ]
                }
              },
              "Contacto": {
                "$id": "8",
                "$values": [
                  {
                    "$ref": "3"
                  },
                  {
                    "$ref": "3"
                  }
                ]
              }
            },
            {
              "$ref": "5"
            }
          ]
        },
        "Mail": {
          "$id": "9",
          "$values": [
            {
              "$ref": "1"
            },
            {
              "$ref": "1"
            }
          ]
        }
      },
      {
        "$ref": "3"
      }
    ]
  },
  "TipoMail": {
    "$id": "10",
    "idTipoMail": "93d8b79e-6954-48e2-97e5-e388033bb6ef",
    "nomTipoMail": "sample string 2",
    "Mail": {
      "$id": "11",
      "$values": [
        {
          "$ref": "1"
        },
        {
          "$ref": "1"
        }
      ]
    }
  }
}

Sample not available.