{
   "epochs": [ {
      "calculation_time": "13366613500992216",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367273240860681",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "ACF39987F5815876A8BA60421C483CE393F22D4462E63C4E4BCFDBCDEED399EA",
   "next_scheduled_calculation_time": "13367878040861140"
}
