{
  "manageEntity": {
    "action": "Create",
    "entityId": "1398257626",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1398257626,\"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": "0x0353f25f6f0cbaf62c0e4d887161796254919b1208d9ef0ae290b7938d5c0b33",
    "signature": "0x39372a1730fbef7bd6464a553d3032cdd228d73b017fe6acdb8306c71d00b76a205aef6802b84b9af9cfccf6e96cf99363c501d6835228735944d8aa562d9a571c",
    "signer": "0xBf1b3B385678B8D37A355Bd89381E8AA12a91024",
    "userId": "133143008"
  }
}