{
  "manageEntity": {
    "action": "Update",
    "entityId": "284020290",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf3f5bc24ce59ee19269d9ca14598c620acd8e17967e106efc88df3df8efc8fa8",
    "signature": "0xdfbd23c2273e2f68bc97edb229347e51e8849241d6010df1e0f4e97e7e41a92439bf37b79ed7804cbc57942f1e3d5f003bb3f73bb6ea972a30f89fcd7968d2fe1b",
    "signer": "0x91926DabD91E209b3d497e488439a181c3bacF30",
    "userId": "284020290"
  }
}