{
   "epochs": [ {
      "calculation_time": "13366755445382760",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367427355697426",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "471869EC2C8B27A1A98C66898955866AE4A5FFC4B801DAC0750068DC656B14F1",
   "next_scheduled_calculation_time": "13368032155697612"
}
