{
   "epochs": [ {
      "calculation_time": "13366779978786868",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367453072507731",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "445DB76F0AEFD1E7046E6DAB0432DB8813E8BECEBFED715FB3C728CFB5302685",
   "next_scheduled_calculation_time": "13368057872507875"
}
