{
  "manageEntity": {
    "action": "Create",
    "entityId": "1442705881",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1442705881,\"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": "0x87c4502ab97f8d9de1a0d14b472cf9aa054d67e29dd0d4fc18f75f8cfe9c47ca",
    "signature": "0xc273c3a931c3aefd5001721be6ee2eada1bc40dcb1d36e184d8bc3740144048173631d3063d640324fdad73ff93fb2ff51ace7d9f47f7ce59e199f1cf6c4ead51c",
    "signer": "0x705C3Be1F27A9694A390A0a58287440a6b43349E",
    "userId": "193978537"
  }
}