{
  "manageEntity": {
    "action": "Update",
    "entityId": "995304567",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcedce52e37e16204ba3757358fa9edcae1e748253550aff00687012e7f2bb805",
    "signature": "0x1c932949135da71f9e44199baaa47b9b527d84c334650d150b9572e23cc3013d5b0f8dedecfb97d95c8f19c227da838400d7024b017e7731385ef5a2772191801c",
    "signer": "0xc3d05BCfd05Ad8246E72f226a9Ef8769E7722F8B",
    "userId": "995304567"
  }
}