{
  "manageEntity": {
    "action": "Create",
    "entityId": "974352861",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":974352861,\"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": "0x1fdd8a8afcf661f647019c6a309d77a1788d61b3c9c96fe420f2753cf720dc40",
    "signature": "0x9e4f14c22f8d85909fabdb835b0d6e1eb61af52d3af88ef372a3f82de863e1de7152d425d4578e89f66238a455dd19cdfab8f31f064d97b9dfea630df496de901c",
    "signer": "0x776FC9416d3338b25E1cbC297e10B7d871211673",
    "userId": "294359809"
  }
}