{
  "manageEntity": {
    "action": "Update",
    "entityId": "672251661",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieratr5przusloccyfpwhft3eh2ohgmy3kevkdnfgilwtj7dsa2ajbvq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1226788298},{\"type\":\"playlist\",\"playlist_id\":1404789603}]}}}",
    "nonce": "0x736140570c0cfebaae07c2960316a6b6f1f8ecac5953499c6c9f911419fbfdd4",
    "signature": "0x86f78cc9a982fe0a4aae2bb0cc633753ce36f1b185b3fc39e89a8ec57c88f02a21ec0d07a00ced810b86562ac65efc3932160661bf83fecbcd1e9745bb2c54bd1b",
    "signer": "0xC5Ee9a72D83C8Dae889645372774B75CB639c662",
    "userId": "672251661"
  }
}