{
  "manageEntity": {
    "action": "Update",
    "entityId": "992985584",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x716659039fdc25a505b5d60ac8142f98aa0cdae3506aaf7b99dc420407184f8e",
    "signature": "0x3d5d93c71f13f21669d5d04b0099306aa15c408b5b204feaba0bb762e3e96d3f3038a47d4c661f7f4a99ad7370234ae4b804a2caa9d10867b498a82128d6bc291b",
    "signer": "0x7f3279A535cc14232855318E897d9a7bE8Cb08B1",
    "userId": "992985584"
  }
}