{
   "epochs": [ {
      "calculation_time": "13370420664221451",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376741226534687",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "60F38A15873166F616BF633C943CB18DADDCFF20877E198095FEC3BCBA49A833",
   "next_scheduled_calculation_time": "13377346026534836"
}
