{
  "manageEntity": {
    "action": "Create",
    "entityId": "1994593713",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1994593713,\"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": "0x1be18515a34bf862cf3535a1e9f95f678dc05b0c51700a7f8c4707ccefda477b",
    "signature": "0xa789110b93122dd751ee7a1ec6765172f7da087b7cb6756ea406b2133bebca2a0e583b99bcca51e98bc3fd73fe42bffb15645a1fcba4f4cec4c82d48dafeebc01b",
    "signer": "0x2480668A2849AD9Eeef1129d84348cd7073D4Ec7",
    "userId": "887781517"
  }
}