{
   "epochs": [ {
      "calculation_time": "13366700055010265",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367364468608291",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2BBCED15A9D53DC47916C6CD667AA6C88939DBDF0171C0B17E6183A5331E3394",
   "next_scheduled_calculation_time": "13367969268608495"
}
