{
  "manageEntity": {
    "action": "Update",
    "entityId": "234846549",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8aeaef6098f0081e670aeb8f4ccff34bc5952439576a95ccff3210597789a8f1",
    "signature": "0x796ac38955796d9e3d2e9e6310a293c16718930301b6ef562334874ed5b0c6e81f5c18078f9dc2c071ac8f89e3551fed4cbdab1868755ca2a4eaf181bec702661c",
    "signer": "0x7e9720d8C73bd719B01E9408E15C2884254beC2a",
    "userId": "234846549"
  }
}