{
   "epochs": [ {
      "calculation_time": "13366437994102321",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367101638203156",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F31DC4917CEDEEBA63927755F532F78F98936EA84F386A288CE17DCE82624963",
   "next_scheduled_calculation_time": "13367706438203329"
}
