{
  "manageEntity": {
    "action": "Update",
    "entityId": "569747820",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x10de73b27c70829ddbc3868722329f36f8dc3df56157734465f54c20ae76a1c2",
    "signature": "0x65cccc71ddf236ee60728f5763d2cbd374a90e96ef30776de0d336def661853f55c4ce7979617329f9f633b6ff34ac1757eebf0039a63db7a59e5f88798398ca1c",
    "signer": "0x0A44a42c082f41293eDdE36f5e00db6D10B3dF2e",
    "userId": "569747820"
  }
}