{
  "manageEntity": {
    "action": "Create",
    "entityId": "2118801567",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":2118801567,\"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": "0xdc8673dfc5231c8ce474edff770c07eac576c493e6631a274b77a9d91164e9fc",
    "signature": "0x901298f8bc5f51e5237cd79cdc5b253784b2690109e3e003dde796a82467a29a1cec34b8b6098d1689cdcf62065760ced4fdff77fd26256ce72468beaf44129c1c",
    "signer": "0xc57645346D4df520211Ded3E5Dd676C1E3a8746C",
    "userId": "546166252"
  }
}