{
   "epochs": [ {
      "calculation_time": "13366231559374370",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366896494160145",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7DF90FB61CB4EF806ABE99655EC98B16652394F941DD27884C70577024317231",
   "next_scheduled_calculation_time": "13367501294161163"
}
