{
   "epochs": [ {
      "calculation_time": "13366701117829440",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367365503294210",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B999AE3A36B3CFD3040EE7364EE0EDE6E5A15E5C016ADC89897A5249D1C45FDE",
   "next_scheduled_calculation_time": "13367970303294337"
}
