code: def _fulfillment_from_details(data, _depth=0):
      
      if _depth == 100:
          raise ThresholdTooDeep()
  
      if data['type'] == 'ed25519-sha-256':
          public_key = base58.b58decode(data['public_key'])
          return Ed25519Sha256(public_key=public_key)
  
      if data['type'] == 'threshold-sha-256':
          threshold = ThresholdSha256(data['threshold'])
          for cond in data['subconditions']:
              cond = _fulfillment_from_details(cond, _depth+1)
              threshold.add_subfulfillment(cond)
          return threshold
  
      raise UnsupportedTypeError(data.get('type'))
docs: Load a fulfillment for a signing spec dictionary
  
      Args:
          data: tx.output[].condition.details dictionary