text: /* Action Types */
  export const USER_PROFILE_PAGE_LOADING_START = 'USER_PROFILE_PAGE_LOADING_START';
  export const USER_PROFILE_PAGE_LOADING_STOP = 'USER_PROFILE_PAGE_LOADING_STOP';
  
  export const USER_PROFILE_USER_FETCH_START = 'USER_PROFILE_USER_FETCH_START';
  export const USER_PROFILE_USER_FETCH_STOP = 'USER_PROFILE_USER_FETCH_STOP';
  export const USER_PROFILE_USER_UPDATE = 'USER_PROFILE_USER_UPDATE';
  export const USER_PROFILE_USER_FAIL = 'USER_PROFILE_USER_FAIL';
  
  export const USER_PROFILE_TRACKS_FETCH_START = 'USER_PROFILE_TRACKS_FETCH_START';
  export const USER_PROFILE_TRACKS_FETCH_STOP = 'USER_PROFILE_TRACKS_FETCH_STOP';
  export const USER_PROFILE_TRACKS_MERGE = 'USER_PROFILE_TRACKS_MERGE';
  export const USER_PROFILE_TRACKS_FAIL = 'USER_PROFILE_TRACKS_FAIL';
  export const USER_PROFILE_TRACKS_NEXT_HREF_UPDATE = 'USER_PROFILE_TRACKS_NEXT_HREF_UPDATE';
  
  export const USER_PROFILE_STATE_RESET = 'USER_PROFILE_STATE_RESET';
  