{
   "epochs": [ {
      "calculation_time": "13366287564603308",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366951794591839",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1E063CF1364A746394734F19D1678AA440EBFCB9268C0E3C571B1D9818941433",
   "next_scheduled_calculation_time": "13367556594592051"
}
