{
   "epochs": [ {
      "calculation_time": "13366232815258592",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366897928308331",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6C94AE0D886929E462E65DC889635792DEB1DD7EB9C465ED215795124B3A4D36",
   "next_scheduled_calculation_time": "13367502728308510"
}
