{
   "epochs": [ {
      "calculation_time": "13366713630583935",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367378474205559",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F07DB19AE964B3EDE844AA21ED4B9B5B59D1E67C226E4822FE2053F0A337B514",
   "next_scheduled_calculation_time": "13367983274205700"
}
