{
  "manageEntity": {
    "action": "Create",
    "entityId": "1464777427",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1464777427,\"description\":\"\",\"playlist_name\":\"My Playlisthhhhhh\",\"is_private\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0xa6860d02372d7a6a9339924741977d2be2ad63982874335c8c580fea9023b4a2",
    "signature": "0xc177e39f92587e5b84c8ff1dd4b32b8160789d22b76d60f03d601f45529c296562531e46c527b94860ae05ba3a11109c90a2a830532ae982b6586dae09edea401c",
    "signer": "0x9c91068943495A5121bB90345fEDED3BEa44Baa7",
    "userId": "550747401"
  }
}