{
  "manageEntity": {
    "action": "Create",
    "entityId": "1953911645",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1953911645,\"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": "0x26cce6329a40de2714586145008997c456e944ae42d961a419b192c540bd05b4",
    "signature": "0xcdda82e4f2d4d2fa911136b27a3f3df241804f3aee7ed818b7fffb84f05753393ce53b874da9a7e1968f6f0c00a3e814ebaef3b0594229b9480b928b3ba7225d1c",
    "signer": "0xDD3Cb841c7f19ec5581F8E2b14d6f7a58B92d0F7",
    "userId": "582464754"
  }
}