{
   "epochs": [ {
      "calculation_time": "13370920464315044",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379009347290835",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2CFDA406DE97595CC7A19E1A36D63844F3F229584D5597A2790FDC3BA8A4B1A5",
   "next_scheduled_calculation_time": "13379614147290891"
}
