text: export const USER_SIGNIN_REQUEST = 'USER_SIGNIN_REQUEST'
  export const USER_SIGNIN_SUCCESS = 'USER_SIGNIN_SUCCESS'
  export const USER_SIGNIN_FAIL = 'USER_SIGNIN_FAIL'
  
  export const USER_REGISTER_REQUEST = 'USER_REGISTER_REQUEST'
  export const USER_REGISTER_SUCCESS = 'USER_REGISTER_SUCCESS'
  export const USER_REGISTER_FAIL = 'USER_REGISTER_FAIL'