{
  "manageEntity": {
    "action": "Create",
    "entityId": "2124912743",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":2124912743,\"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": "0x381a3d99da77ae587415d23e21ed720b10f00831757474d83ebb9fd91f9dfe5a",
    "signature": "0xe01fa9ae2a14fbcd7cee922a5b7dbd3e7e9f357a50961034b6f49c0f642c11ac6c11a0fd0b8a7b28fa4ab227d968af380fb173bc1173390b1fc6fe4cc69364611c",
    "signer": "0xfA591a448e2E0C39a919A7bacF597E6A020F4d76",
    "userId": "412651556"
  }
}