{
  "manageEntity": {
    "action": "Update",
    "entityId": "962229317",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieradszjwfcxg2guykmqndxva7tugslrj2pyje57ekmbude7s3njfjaa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1774746206},{\"type\":\"playlist\",\"playlist_id\":405456527},{\"type\":\"playlist\",\"playlist_id\":536580629},{\"type\":\"playlist\",\"playlist_id\":598739702},{\"type\":\"playlist\",\"playlist_id\":125997140},{\"type\":\"playlist\",\"playlist_id\":1139724356},{\"type\":\"playlist\",\"playlist_id\":1636420624}]}}}",
    "nonce": "0xb06002e3fd0f8ada191bda5f332bf66e14753fd02decf5dab5ae58915acada08",
    "signature": "0x4c87f6a13d1c684c5b162b9c559afb8a18208b626cad36a6ab434aff8c465d9733771ebfc735636ee52d089d7b94ffac0cf8df37f6fb47d0f010f6c9f8154fe21b",
    "signer": "0x83dc712B58ccA417250999e5f3afEBd48dBf9749",
    "userId": "962229317"
  }
}