{
   "epochs": [ {
      "calculation_time": "13366391625488294",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367056860171801",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "21C640F4C2003688471D18A21AB011CAD6C68126430FBDF83A2D1C7742E9A72A",
   "next_scheduled_calculation_time": "13367661660172346"
}
