{
   "epochs": [ {
      "calculation_time": "13366730374928496",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367400945447671",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "69AACAF87EFA4F3BA30825585A20C9633B31B57547E09CE5E1E575C3D56E27CE",
   "next_scheduled_calculation_time": "13368005745447997"
}
