{
   "epochs": [ {
      "calculation_time": "13366485032684238",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367147833310942",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "641D3EDFA957A1D70BDAE88B1D24A91D67540B0F429F2742DD96C8129C4C42DB",
   "next_scheduled_calculation_time": "13367752633311400"
}
