{
   "epochs": [ {
      "calculation_time": "13366499210145827",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367162306427163",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "DE3910A7BD4C37EB042E2D3A59292C9AF6A96F64B8D5B4F5629CB9A840955271",
   "next_scheduled_calculation_time": "13367767106427440"
}
