{
  "indices": "int32",
  "indptr": "int64",
  "nnz": 25582938,
  "orientation": "row=presynaptic source; column=postsynaptic target; incoming drive is A.T @ source_activity",
  "self_loops": "retained",
  "shape": [
    166700,
    166700
  ],
  "signed_weight_conversion": false,
  "threshold": "none",
  "weights": "int64 original positive synapse counts"
}