{
  "manageEntity": {
    "action": "Update",
    "entityId": "110566",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera667bydgoni4y7qddz2neisqlwwbi5lmaocurzpjueelkd7zoweuq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":42665},{\"type\":\"playlist\",\"playlist_id\":97315},{\"type\":\"playlist\",\"playlist_id\":1315639774}]}}}",
    "nonce": "0x59a7bee03b3f99d8d003243930fe47ab24aa1de040028e672193bfad88daeec7",
    "signature": "0xddfb49426f7ad5df8ff00c1576c74438a227200c956b33bbaa320f608dde750905d197f5ba03babd92324683c0ac7aef849995e0f8b534235d21f036c4b247b51b",
    "signer": "0x57CcB78f400A8f0C0ECC0bdF4d69eBa9B04044D6",
    "userId": "110566"
  }
}