{
  "manageEntity": {
    "action": "Create",
    "entityId": "1805615711",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1805615711,\"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": "0x8c79ea356028ff8891a9a707f187e44ea69d3a35ce029b54b45cc8110f16d51e",
    "signature": "0x13bf5f683f2cabf1203940853a1da3a861b7590b4c7ddfc796c9bd0a922bee7b20f7622193a85ebd7fad4f9646ed0256c31af7b3c95aae6ccb81f59a30fe42fe1c",
    "signer": "0x4b402dCD6745d20b1A6e12626A6E2b97c8652E37",
    "userId": "325554867"
  }
}