{
  "manageEntity": {
    "action": "Update",
    "entityId": "374163",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera2svpthe6fg7x35byxgnzgveakamxwhgeohrtgdkvy2mow54z4n5a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":91227},{\"type\":\"playlist\",\"playlist_id\":176451100},{\"type\":\"playlist\",\"playlist_id\":329580128}]}}}",
    "nonce": "0x4eeefa23723aef2ee070d9ebdf9e10ba156f5e6a1363d7dc6c2e76dc8084aed8",
    "signature": "0xa3490e8da8975ebf61dc5af38a6d6441fcf649024bb51e9ea0d35b48ae85d4f15397afe170855bc17377722b92907e588953db07d42e3628cb8cbb5cf46487f71b",
    "signer": "0x3F71747895AE3124a09846D57a31978047E5bfAb",
    "userId": "374163"
  }
}