{
   "epochs": [ {
      "calculation_time": "13366367091782769",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367032464443049",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D5864C36E99DD3B7976703D4BEFA301D6598B371ADDCDAC000852CB6DAC9FD2F",
   "next_scheduled_calculation_time": "13367637264443274"
}
