{
  "manageEntity": {
    "action": "Create",
    "entityId": "418575716",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":418575716,\"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": "0xab3fe8fa92c280ec8f8cd80e0ea7ed289b64e025014aa00b819a1bc9e2397fd4",
    "signature": "0xbec897d5c569efd92b0e885ca0bc077ed9c36f42969af17ea7eeae67b6cd3dbb28e120320733bfe73637c389137bbe5a5e2d3f4b589fb4b5bf4614d3e595352a1c",
    "signer": "0x722976Aa98e3980058574d0A75E25e5FEcE8E48F",
    "userId": "40115"
  }
}