{
   "epochs": [ {
      "calculation_time": "13366612663021419",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367272417838913",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "71D2031A6776F646A811EDA942917FED78979C2EF804842E789E717C49247825",
   "next_scheduled_calculation_time": "13367877217839072"
}
