{
   "epochs": [ {
      "calculation_time": "13370937822465705",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379097281341713",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B7BDF5C4900CC2826ABF679A0DC6956D8336EDEE9E55005E42E944483EA070CA",
   "next_scheduled_calculation_time": "13379702081341961"
}
