{
   "epochs": [ {
      "calculation_time": "13366741522392638",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367413250774842",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6B716252CF186D1FF71E8FDD2B0F8A016760950C55843B404C76B825501C4E00",
   "next_scheduled_calculation_time": "13368018050775090"
}
