{
  "manageEntity": {
    "action": "Create",
    "entityId": "1156559037",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1156559037,\"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": "0x92f887300557fc22aaca164a792ae4ee0a91ec63fa7e6b856cb5d8185bbb8533",
    "signature": "0xc9727fb8ff1e6161bd07dcccf5019a155291b50d8da8e15f2c5aec2f0bb0878b10b3384c8b23711e62554ea7485090fb8a9f2d07572b89b5161eda4637597dc71b",
    "signer": "0x378543D1f467aD15E6688fa37eFF55939dFEDFc2",
    "userId": "200959284"
  }
}