{
  "manageEntity": {
    "action": "Create",
    "entityId": "564927916",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":564927916,\"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": "0xdc32f9b1ea64b3960725cd1fe6657c6440b84eff54225eb1fa22eefd35dabb48",
    "signature": "0x73e908cd45d0e60ac1eb27681d46ff24ac16c5c5c9cd1e66ebc578f3970d2058499887e8fe1760f996b535a2543cf6573e86eb0ec970f6f4a7121e59f892045f1b",
    "signer": "0x2aa1a77E1824B4Fe28C8ff788E79602f3A71ac54",
    "userId": "110426624"
  }
}