{
   "epochs": [ {
      "calculation_time": "13366244833310296",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366909940521545",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9E504DE285D22828807EB6A57F5FD4E54D2C7DA55D3D8B33AAFEB411A655346F",
   "next_scheduled_calculation_time": "13367514740522057"
}
