{
  "manageEntity": {
    "action": "Create",
    "entityId": "1593518217",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1593518217,\"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": "0x1b589275951b41d10c7ef47623590de5dd8bcf83aac118919ce6d16c2deb36b4",
    "signature": "0x2453dc96f14728de424c71d74de4595d696e0a2ad1cea0f08e98b86bb1b85f5913820af41e1429549c1bba7d38a0ca92b1d68d1e4b8d711d82b57fff9e4036c91b",
    "signer": "0x966447cca409C717A11458aDECa42847FE423AF0",
    "userId": "674042507"
  }
}