{
  "manageEntity": {
    "action": "Update",
    "entityId": "245353825",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieral3zh3oanqhsoekkpgnphnzkb2w7l4xldmnjgwv42y42izfgpvxrq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1134553031},{\"type\":\"playlist\",\"playlist_id\":1973767555}]}}}",
    "nonce": "0x6974d58d2d4a7e64f44e898f00d31ac179945975f73ca2c375e92c8ab5f338de",
    "signature": "0x1e8a87d051ea36405e589d74c31655f2597f9db6725fd0e48eb60021565b01806a360e18a497e2d10661dec402674eb7f8638d71fc12e6f4e6cde109fa21afb91b",
    "signer": "0xC2705569340ff0ca9662D089D4D9E81c0EB1d95c",
    "userId": "245353825"
  }
}