body is a string, 3332 characters long
it begins:  {"type":"standard","title":"Platypus","displ

decoded, it is a record
  type:        standard
  title:       Platypus
  description: Species of mammal

  The platypus, sometimes referred to as the duck-billed
  platypus, is a semiaquatic, egg-laying mammal endemic to
  eastern Australia, including Tasmania.

is_unknown(page["coordinates"]): true
and the dot form: unknown record field: coordinates
