{
   "epochs": [ {
      "calculation_time": "13366301276095456",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366965857698945",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A1FDC6708F5D07498A7817528836C24D473B56133E4BE1628EBE36D23774EE5B",
   "next_scheduled_calculation_time": "13367570657699101"
}
