{
  "manageEntity": {
    "action": "Update",
    "entityId": "292524943",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe3c54d5260a6f8fced5bcdd026dea9c875e553cf35d0fd452a03daa2ed4c2a9d",
    "signature": "0x1f1d24f284f53616212e3ae03c391f68fa9d68ed3387976d0ca32d59eebcbf1c7106e9562fe3ce8ec1248109e0c732fde487a6665ab31cc7936ac1c61ad6f67a1c",
    "signer": "0xc0d1b6f997F346E0291eDa5a82ffC8D9d704FC21",
    "userId": "292524943"
  }
}