{
  "manageEntity": {
    "action": "Update",
    "entityId": "633494619",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5715ff7503e77d79768a4668f3f35e1ec2fdc0d8ce93c85e6336254d9b22b597",
    "signature": "0xf98ae20b3710c796672d00ebbcc742993c648656da4ac865f54657ff455310130a9e46bcde43987fd984fbeb350a4653f2bd89bb46f4fb4a11b9a8f9a650f5691b",
    "signer": "0x7B499405130cFEFBBaec9980A9E37BBE42E8589D",
    "userId": "633494619"
  }
}