[
    {
      type: NOTIFICATION_TYPE,
      username: "author of the notification."
      post: "id of post related with the notification."
      content: {
        _comment: "Aditional information about the notification."
      }
    }
  ]

[
  {
    username: "Username of the user who is near.",
    picture_path: "Profile picture path.",
    rating: rating,
    followed: "true if user is following the user."
  }
]

{
  position: {
    lat: latitude,
    lng: longitude
  }
}

{
  username: "Username of the user who will be followed."
}

{
  rating: rating
}

{
  username: "Username with the requested profile."
}

  {
    rating: rating,
    about: "About, given by the username",
    followers: number_of_followers,
    followings: number_of_follings,
    statistics:{
      antiquity: "Number of years/months/days",
      rated: total_of_rated_people,
      rated_me: total_of_people_who_rated
    },
    sns:{
        fb: "Facebook username.",
        tw: "Twitter username.",
        ig: "Instagram username.",
        tg: "Telegram username."
    },
    posts: [
      {
        post: Post
      }
    ]
  }

{
  username: "username",
  rating: rating,
  about: "About, given by the username",
  followers: number_of_followers,
  followings: number_of_follings,
  sns:{
      fb: {
        username: "Facebook username",
        state: SN_STATE
      },
      tw: {
        username: "Twitter username",
        state: SN_STATE
      },
      ig: {
        username: "Instagram username",
        state: SN_STATE
      },
      tg: {
        username: "Telegram username",
        state: SN_STATE
      },
  },
  statistics:{
    antiquity: "Number of years/months/days",
    rated: total_of_rated_people,
    rated_me: total_of_people_who_rated
  },

}

{
  username: "username which will be registered.",
  password: "password.",
  phone: "phone number",
  picture: File
}

{
  username: "username",
  password: "password"
}

{
  sn:{
    code: SN_CODE,
    username: "Username in the social network."
  }
}