{
   "epochs": [ {
      "calculation_time": "13366747529366892",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367419337408121",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "DA42523E35A7AE7425DE18AB88D6D983F52B988BFE30A03DE60915372221189F",
   "next_scheduled_calculation_time": "13368024137408278"
}
