{
  "manageEntity": {
    "action": "Create",
    "entityId": "729534820",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":729534820,\"description\":\"\",\"playlist_name\":\"SYLLIUS -  The Weekend \",\"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\":[{\"timestamp\":1777904218,\"metadata_timestamp\":1777904218,\"track_id\":263900}]}}",
    "nonce": "0x0a3d3ac55bd13fed61934e63e63c0a7521525453aa736496ba45432faeaa6de8",
    "signature": "0xc15971ef0531995490233171a300a17ec707f70771424c70fb891a6e9a21ce7150ee968518781cbd961e07f829fd3298d47fe18e78fc87fbf5c2e6b6e7bb40521b",
    "signer": "0x32E1FF6F3fFDF435B23912ab8b8e201296286Bbd",
    "userId": "900812229"
  }
}