{
   "epochs": [ {
      "calculation_time": "13370581620997378",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377246364584133",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "11161F86BEAD9DD6F744410F426ED1AF7358F730FF1FB64E44D798B4D3A86697",
   "next_scheduled_calculation_time": "13377851164584383"
}
