{
   "epochs": [ {
      "calculation_time": "13366228747340218",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366893561291714",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "27EA8FCB3BBCA30AC5B7CC95B5DED69D058431F2F39389E3539A5B632F94A78A",
   "next_scheduled_calculation_time": "13367498361292035"
}
