{
   "epochs": [ {
      "calculation_time": "13366293478206043",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366957713588435",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3EF262379AFCC3059C37C4C83B090F4E27CEB5755CCE311DABC7140215FE926E",
   "next_scheduled_calculation_time": "13367562513588861"
}
