{
   "epochs": [ {
      "calculation_time": "13366229521217588",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366894490770121",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0C30F015D7151E59D91E76D355263F9A4FB916C514EA42866BA5FB2BF98C4059",
   "next_scheduled_calculation_time": "13367499290770432"
}
