{
  "manageEntity": {
    "action": "Create",
    "entityId": "581162321",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":581162321,\"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": "0x8e7d68dc031b109ae0dfdccdf4c11e7efd2d8078fbb41c2ae764abd3d3dd0a00",
    "signature": "0x9b471abad7c56c9b7b96446e757e24da1d994ec4cdd671ea794fec11d6ec237f7df85fff07a0dc77d880c2eabe0c8539e091d4d072c4ea3c954d4522e5408f811c",
    "signer": "0x62b9de0399dB228241c82bFB8297c3418F63e2F0",
    "userId": "461791958"
  }
}