{
  "manageEntity": {
    "action": "Create",
    "entityId": "215292509",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":215292509,\"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": "0x2a5e27ea7253d8ccb8333efec70ed47e9c3df38f3b7bdb834b91664d09b8902e",
    "signature": "0xf4d0ff9bc9b2ece91ade3265a82a23de0328dfcbe7288a36262f404a90d93dd7566366414f72d46d52ea964fd8f7b9a0d1702f0fbf6268468fa5de3bfbbf47431b",
    "signer": "0xD7c3dC9EEf2D94568C0e1A9C88b58696850c7C22",
    "userId": "125737"
  }
}