{
  "manageEntity": {
    "action": "Create",
    "entityId": "571002164",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":571002164,\"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": "0xfa8ee8ead56788223eda5de6e914075682dbfb5a667edb7da45eca4a436774d1",
    "signature": "0xd97e9af1a954fccc7e9a596f4610f485909f8fa0d49b3a8e2a781d5be74b6bfe0edc22aeda26df939ff4e9c479fc497f8c1326bdbc690f068629125c400c3a7a1b",
    "signer": "0x4280Beb252F5B6E28222D07E5fa4C7E2d276E283",
    "userId": "756677862"
  }
}