{
  "manageEntity": {
    "action": "Create",
    "entityId": "972454383",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":972454383,\"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": "0x76780b33ccb5cd5806fb43991ba3aa1928c7e287d2a8b33a59f59bfd10d7b9cc",
    "signature": "0x082b87edf2645f3b393a40e5a14d90221dd71e9737bcf22164748fe1f3b972607c86ac41da0d306fecb3fc78e775baa0fa745af344554d39d92513a2cbd6da711c",
    "signer": "0x4410aC329582946E10D73537419a3a92b9872A42",
    "userId": "852498495"
  }
}