{
  "manageEntity": {
    "action": "Update",
    "entityId": "922511437",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5bfc5afe2f064e0711637cd34246ec389fdc0f053225e763fb3ceeed0e58dea7",
    "signature": "0x531a8d3a104231a14665f521eb6c4f1e22919fbc1cd708b6b3e3d05b5894873c7c27ed63424b9b1ac1eb56f09f9f7231cb29c365657eceec995046a2e9f5defa1b",
    "signer": "0x216006Eb66bF299Df7dC07125984A9B897625380",
    "userId": "922511437"
  }
}