{
  "manageEntity": {
    "action": "Create",
    "entityId": "605414962",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":605414962,\"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": "0x175dac13147254b9556030ea4b8d3668834716505c06f6a19714381f915fc6cc",
    "signature": "0xad8cfb48d7a98608b1271986ccb79802e9afc2e501813ea528759a54772b43d83620be27710baae9da3795cacb88b37788e3929b1f83849fdcd373f3f97f37af1c",
    "signer": "0x4aa5a207F36Ff1E12cbEfB5ef08bb83F8bF21F68",
    "userId": "562613548"
  }
}