{
  "manageEntity": {
    "action": "Create",
    "entityId": "478445634",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"is_private\":true,\"description\":\"\",\"license\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_scheduled_release\":false,\"playlist_name\":\"New album\",\"is_album\":true,\"playlist_contents\":[]}}",
    "nonce": "0x6cb5250abf9d3db20cb02caf0893a74ad9db71b32d18410a1c5242d7c8708acd",
    "signature": "0xc77a6bfe9f1999fefe605e5ff14c049256e1154b8be4c3d13a02031af89c84c43ac84ce095133d15ccf19ed85011b291523e5708b485bb7466afa7909e664a3f1b",
    "signer": "0xf7B86B7134F78bfCa140E59e3a13a697Ad29dD51",
    "userId": "402172867"
  }
}