{
   "epochs": [ {
      "calculation_time": "13370456438704302",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376835375840460",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3BFBFE494D8CA218607882FFE65B6FC6069E8192CBFE58BDE8C2F7C502FF279D",
   "next_scheduled_calculation_time": "13377440175840707"
}
