{
   "epochs": [ {
      "calculation_time": "13366328784007071",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366994530802744",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D16D83CC50353675C217DEB4245C9FA04B85B92C67FE67BABECB264CABEFDBA8",
   "next_scheduled_calculation_time": "13367599330802895"
}
