{
  "manageEntity": {
    "action": "Update",
    "entityId": "672251661",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera5s2mmmgcdd5bbkco3ka2a2ebfzhjoumaanlxbmyasouwo2uziw5q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1226788298},{\"type\":\"playlist\",\"playlist_id\":1404789603},{\"type\":\"playlist\",\"playlist_id\":1697319581},{\"type\":\"playlist\",\"playlist_id\":1193334047}]}}}",
    "nonce": "0x59aca7174ea481f2dbcd5e413f4697878d650b3acf26f44655bc0a658c7189d3",
    "signature": "0xe911beabaf9705b6939bde4d46cf485474f21c38ba3a0a695ea6f193660928473a6c1cb9fea43874bc7473a116432385af06120d34fc191e3c470c224213540a1c",
    "signer": "0xC5Ee9a72D83C8Dae889645372774B75CB639c662",
    "userId": "672251661"
  }
}