{
  "manageEntity": {
    "action": "Update",
    "entityId": "482858095",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6dd9828dc0f492998ed1d4a9f7f06bbeb514f5ed7b46e0ed78656655c3466a80",
    "signature": "0xf0ca6755efac575161dd1b2a839147bed2728baa862261776eb8a06eb5502ce03b2622f05d960fd1ea67caa59a129a8ad4bfd106dc57409d20d721c4905164201b",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}