{
  "manageEntity": {
    "action": "Create",
    "entityId": "276129615",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":276129615,\"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": "0xb6fe9023a8207e0e6ebb4f44e9165c8da43d6b7929ab26f35741e7a84068b634",
    "signature": "0xb4264de81829a116e7ae476fd129c51371998b6e1d661cbaca6aac03877b115b0a745333995e903ad2d8e6caf07a10c2c41ebd4cef86c447a420d692ef33e91a1b",
    "signer": "0xAe45Aa9d94350c6a7A8BfB66D3c1c2B51Ac488C6",
    "userId": "274010868"
  }
}