{
  "manageEntity": {
    "action": "Create",
    "entityId": "1489149981",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1489149981,\"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": "0x7ac509ed59af2bdb39d09988fb8c2b8de3c4ebc3f7f66cae90c9ed0eef9cf4dc",
    "signature": "0x683646c553c2f0fd54ff8cd157bbcbd31eb4af9630d272932218bed5d9fac53672959d5ee3158048b295205fbc6f990716782af19aabf96da0391ed004e3bf131c",
    "signer": "0xe0b6227e4fD442aA86B9097e82313d1DfcCDF791",
    "userId": "933506059"
  }
}