{
  "manageEntity": {
    "action": "Update",
    "entityId": "940827142",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7a1d34fe54352b56fbb9f790c3729d77aadaa8ee2e51bc59a93c232cbe4cc673",
    "signature": "0x07089c910c564414a4272bdadbfc44bba089f196f039e5ea449ffd9a7c59b79457bbb3c29fa033c2b042fbd91ff460feca9997ebf04fc66189c5531a829c71161b",
    "signer": "0x6F7320c7ad1CfC5f251415BE8bbC0Be1DbDc61C6",
    "userId": "940827142"
  }
}