{
  "manageEntity": {
    "action": "Create",
    "entityId": "220181064",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":220181064,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x03255265e74993fa59e1b994c7cdf8de054ffd3f644da8f324e9fbeb77900369",
    "signature": "0xb0ce5f30499dc6facc44dde6a40f5a1c3dd2cad28098f407fc60859ba0ac39cd79347b10515919096c31f6a74e571ba50cd5876512e8f8ef7cdc4dad7d4c678b1b",
    "signer": "0x447887A35958D25Fb5B659937312606ec7E55dBb",
    "userId": "999396914"
  }
}