{
  "manageEntity": {
    "action": "Update",
    "entityId": "14193",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierac7z2c6hykcfxwzubtte2zsurlmsjtham2qaklroe6f5wgr5zgf2q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":499097782},{\"type\":\"playlist\",\"playlist_id\":1448671490},{\"type\":\"playlist\",\"playlist_id\":2140577053},{\"type\":\"playlist\",\"playlist_id\":785162559},{\"type\":\"playlist\",\"playlist_id\":1893777295}]}}}",
    "nonce": "0xfc7355cd19abf26f5c2d56531f2d2ec18a44abdc0bf39da20eb4f566f11855a4",
    "signature": "0x90e82b2981048469f8bdc1839fd6fe7d3bb466795ef7ae88ab39bcc646eb42e224eb0a089248677fe8c351d05247dce7a3b33aa9a50fcc3a6dedec06a8f731881b",
    "signer": "0x055C5cF60F0d7C12Ae5FEE2D7B75744e6912c877",
    "userId": "14193"
  }
}