{
  "manageEntity": {
    "action": "Update",
    "entityId": "1098403830",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"أناشيدي \",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqseampcea3bn5xc2h3qbax77jwwwbcikqk3qyht3u3vgtrvtqcrh3og\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0xbff0087f7f6f54611e2cdfcd91fbf6b880ff8136b57089a5cb5572b3b8897199",
    "signature": "0xb393a68adf058fac9a5843313e518633ca7f472fc84a4fc2f7ba4004cc5106b543a4d65aaddee2a118bea1c8884ff10ca14ad0030ee1669088654536122aca5c1c",
    "signer": "0x4500303E05fBbcF978dbd09d73Dc6e8084A6f1b0",
    "userId": "834909005"
  }
}