cc/examples/hybrid_encryption/hybrid_test_private_keyset.json

{
  "primaryKeyId": 958452012,
  "key": [
    {
      "keyData": {
        "typeUrl": "type.googleapis.com/google.crypto.tink.HpkePrivateKey",
        "value": "EioSBggBEAEYAhogVWQpmQoz74jcAp5WOD36KiBQ71MVCpn2iWfOzWLtKV4aINfn8qlMbyijNJcCzrafjsgJ493ZZGN256KTfKw0WN+p",
        "keyMaterialType": "ASYMMETRIC_PRIVATE"
      },
      "status": "ENABLED",
      "keyId": 958452012,
      "outputPrefixType": "TINK"
    }
  ]
}