{
  "manageEntity": {
    "action": "Update",
    "entityId": "417417032",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x927197dfec23443377b478077c7680cf2a2b4145344fe8d3ebc3968b47d53ead",
    "signature": "0x4f7591c8644fba057e1d24363a5450888d80336296f9383baf919c25a125ce575586fdb75ad68cf96d8b005a85e8379e272356406254499015a6e1adfdbe13121c",
    "signer": "0xaC2dE7715e3c8cF361cD6EC75fb75b2EBd90cFda",
    "userId": "417417032"
  }
}