{
   "epochs": [ {
      "calculation_time": "13366326105867444",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366991903658171",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3254B96E4DE475CACCF3D9B70CC7AA0B77DF4BBB1AE53815DDE78500D25EE8D0",
   "next_scheduled_calculation_time": "13367596703658391"
}
