Parse this person name:

Jacob Johnson, 1854-1919, flourished 1884-1896
user
first_name: Jacob
last_name: Johnson
middle_names: []
temporal:
- start: 1854
  end: 1919
  type: life_span
- start: 1884
  end: 1896
  type: flourished
titles: []
extra_info: []
assistant