{
   "epochs": [ {
      "calculation_time": "13370378506481722",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376674401607341",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "BE37AA5C141CFA0F46406057B9E5AF3693D78C818FA4094734200C9838E03445",
   "next_scheduled_calculation_time": "13377279201607391"
}
