{
"manageEntity": {
"action": "Save",
"entityId": "1623693722",
"entityType": "Playlist",
"metadata": "{\"is_save_of_repost\":false}",
"nonce": "0x538fa6025205dd24fa68871f8e52364923d4ce869d3fb632a2399cacd5925633",
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"signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
"userId": "683609933"
}
}