{
  "manageEntity": {
    "action": "Create",
    "entityId": "1291118121",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1291118121,\"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": "0x6e74b27a2eebb3fa6756baeceac2e8b9eacd803a224694e75f5f1abf28d6882d",
    "signature": "0x89e8f3badf5ac79e8badf0fa9c20ab01279dd3eff17876da569293d05f5aef1e3c8ba51aeb75970dcbf1b2109e51e2a0035fcba6cce5fdf58375fff14caad2031b",
    "signer": "0x28Bbb53f14b48eE811b10fD56903fc4D922C6902",
    "userId": "625201833"
  }
}