{
   "epochs": [ {
      "calculation_time": "13366759753346542",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367431893425798",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "CEC27173CEF62B3E1254E3330E658B4FF3C12AC7EEF9BDA19E309C06E4E78ADB",
   "next_scheduled_calculation_time": "13368036693426017"
}
