{
   "epochs": [ {
      "calculation_time": "13366393950067729",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367059141805806",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B3ED7A9EDD174E0745541574E045107B4906CAC1E6452986EDF029F6D3BE8043",
   "next_scheduled_calculation_time": "13367663941805928"
}
