{
  "manageEntity": {
    "action": "Update",
    "entityId": "307343770",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Mickey Mouse\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqsed6jzsw466xgkm4u46lk2wskh5suac64aiagv25h3wanegzn5j6os\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1784510798,\"metadata_timestamp\":1784510798,\"track_id\":1409161416}]}}",
    "nonce": "0x5337273df0436e8576f6438f1e9d8f47815b65bb7ba54efcbed3b76642495dba",
    "signature": "0xaf4daae535b0c9b8b9718e0edf9b1c9bd4c448db50f3c4fc660751f2a22c818776c1f9725e386e01d783a7c185e332bc6c34a7b3bbb9909b7d3ffb0852e8e7461c",
    "signer": "0xE10BF706773d5f19B44673084060aa617793A1D1",
    "userId": "626714582"
  }
}