{
  "manageEntity": {
    "action": "Create",
    "entityId": "1333084081",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1333084081,\"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": "0x8da6944d096a5adbf685f3028f5aefbc496f3f24316bc6fb50fe49ee939a1060",
    "signature": "0xe6c3ba6378338b361c8f96da4a914d8d04d78f0e4c95e1b65494f37f8c1797a720602e1ed9631000f0cf20c693d7bf082e47945488d5daeed54424b7c88ab9331c",
    "signer": "0x645AAbB3BF848412862B16580BBDb4CEeBBf2EE6",
    "userId": "47150955"
  }
}