{
  "manageEntity": {
    "action": "Create",
    "entityId": "1291026001",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1291026001,\"description\":\"\",\"playlist_name\":\"My 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": "0xd8ee635bae3c86ad6e1c1be672ad9e9e3d9ed754ca8aac93fad44e29b9c969ec",
    "signature": "0xa21fdaf61b95d6c0500de5afd8f64937384edd7ddeaa3ac8e18dcf8e1699a255272a3b5d6c2825913cfa07ed39af1ac62281a66f7f753d93239bd78512ce1d691b",
    "signer": "0x6f2E856bAE9D99f862016d2a2A444B395a759F47",
    "userId": "206867145"
  }
}