{
   "epochs": [ {
      "calculation_time": "13366340620272943",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367006657732753",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "EE8E716DDD44844CF18F68C6EBFF3C5373503D47B93DA4E8E0AFA338F2CD0E28",
   "next_scheduled_calculation_time": "13367611457732946"
}
