{
   "epochs": [ {
      "calculation_time": "13366400439633728",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367065604813771",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A0F4051A244A4E2C69C419FE44DD67F5A1D9F6C72A4645D6E3D564E09899E7FB",
   "next_scheduled_calculation_time": "13367670404815683"
}
