{
  "manageEntity": {
    "action": "Update",
    "entityId": "693661795",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xad499732081103125a18bb74c6e809250b6d5b9cc1e807b6a930140ad49e1891",
    "signature": "0x83a14046e97f430a8797770594e7fad92a9698b795864bff48be19489d506e2d2020ef532c9302cb69434c9add235c0857f5ad20140ed7e5ece507b146a2f41f1b",
    "signer": "0xa60E913f7F24c49Ae89F733c2a49BCbDf9921b6B",
    "userId": "693661795"
  }
}