code: function getSession (profileId) {
    return fetch(`${SESSION_API}/session/minecraft/profile/${profileId}`, {
      headers: {
        'user-agent': USER_AGENT,
        'accept': 'application/json'
      }
    })
      .then(handleErrors)
      .then(res => {
        if (res.status === 204) throw new Error('no such profile')
        return res.json()
      })
      .then(({id, name, properties}) => {
        const {timestamp, textures} = JSON.parse(Base64.decode(properties[0].value))
        const {SKIN, CAPE} = textures
        return {
          id,
          name,
          timestamp,
          skin: SKIN && SKIN.url,
          cape: CAPE && CAPE.url,
          isSlim: SKIN && SKIN.metadata && SKIN.metadata.model === 'slim'
        }
      })
  }
docs: A special service that returns a profile's name, skin URL, and cape URL.
  
  *This endpoint is used by the official launcher to load the current skin.*
  
  **Rate limit: You can request the same profile once per minute.**
  
  @param {string} profileId - profile UUID of a player
  @returns {Promise<CustomSession>} resolves if profile exists
  @see {@link http://wiki.vg/Mojang_API#UUID_-.3E_Profile_.2B_Skin.2FCape}