{
  "manageEntity": {
    "action": "Update",
    "entityId": "633494619",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x13388aef611efb753dace9b9dcb3479134814f0d30cfc3c9bcb967897259f098",
    "signature": "0xd3fabef9897c747dae5b7d8a3102d139c225f9e92656315baa1e9972cb44844a2c615f75382bcb8124b49a4f6bf5a4aaec5ddbeff4abf1ff97ff448b5aad64551c",
    "signer": "0x7B499405130cFEFBBaec9980A9E37BBE42E8589D",
    "userId": "633494619"
  }
}