{
   "epochs": [ {
      "calculation_time": "13428490655675749",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A8E3BABCC3A6D36845540467AA0CEA5C2CB9C4C26E6B28A8CB7D330475170BFD",
   "next_scheduled_calculation_time": "13429095455675863"
}