{
  "manageEntity": {
    "action": "Create",
    "entityId": "2129645327",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":2129645327,\"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": "0x366b3800814afb1d8dea727334e160d074b38f5531a91ea5cf76ac3b48fccdce",
    "signature": "0x2011bcf5ce27f755f27ef20c79dfc46c47b9eabe047bef647296a7990ba9583706ebf803416eaa60530d2d954785f3702a645e41235f0495636783132ae20ecd1b",
    "signer": "0xAe45Aa9d94350c6a7A8BfB66D3c1c2B51Ac488C6",
    "userId": "274010868"
  }
}