{
"manageEntity": {
"action": "Update",
"entityId": "1690371584",
"entityType": "Playlist",
"metadata": "{\"cid\":\"\",\"data\":{\"playlist_contents\":[{\"timestamp\":1792352042,\"track_id\":42080},{\"timestamp\":1792352042,\"track_id\":39886},{\"timestamp\":1792352042,\"track_id\":1338594735},{\"timestamp\":1792352042,\"track_id\":42082},{\"timestamp\":1792352042,\"track_id\":219363},{\"timestamp\":1792352042,\"track_id\":42100}]}}",
"nonce": "1792352042533386491",
"signature": "0x7766cb8810751c187e0748a01c3e8c8309312d77b48f0595f5d95a0019741418539c3e68ab508b5dc2fed98f2b2ad6ff6f0d553a50ac5e2d5b81d3c7b80d9bdd1b",
"signer": "0x922cb2AE695da9f7Dd0e556954c23eeeb8bfFe0E",
"userId": "552421234"
}
}