{
   "epochs": [ {
      "calculation_time": "13366372303793966",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367037372131278",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0E122C25B934D20737D2B37685DB5B5829E9FF7E17EBCCF6342AC357DBD3E6A2",
   "next_scheduled_calculation_time": "13367642172131393"
}
