{
  "manageEntity": {
    "action": "Update",
    "entityId": "442277469",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera57d5cnxy7xhxretv7i6kxt5cfiiys52kokscvlbcbwgk56qwgg5q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":404642876},{\"type\":\"playlist\",\"playlist_id\":1393071726}]}}}",
    "nonce": "0xd1b86ab226e12f93119ca3846ea3bcfe3ec3cb6551edd37075ab14aad54b59dd",
    "signature": "0xaf3a14b5075598a87617512a0a1eb27c0b260e365604d84e5535f7e4260bbc10782e9a70c96856984270f64638c1d9323810787c51eac435c6cbe442a1f1ce091b",
    "signer": "0xcE1000874CF7A0a7b16c35A55F7D6f10C607A868",
    "userId": "442277469"
  }
}