{
   "epochs": [ {
      "calculation_time": "13366492260419863",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367155467026770",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0FB6BFBB7A3F173BB3A5A83EF7D8ABE361C2DE941DB38BDD01C74300F4156453",
   "next_scheduled_calculation_time": "13367760267026870"
}
