{
   "epochs": [ {
      "calculation_time": "13366273439435773",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366937483332103",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "EDE0ADFC2A60FAF589C25C376848CFA30284804CAF756291322CBAA7A689FB8B",
   "next_scheduled_calculation_time": "13367542283332535"
}
