{
   "epochs": [ {
      "calculation_time": "13366400782278103",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367065996241051",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5693A2E3AFAB99F971382A4258CA1198807C89BC090730B8F2D7FBFE366495F9",
   "next_scheduled_calculation_time": "13367670796241235"
}
