{
"manageEntity": {
"action": "Save",
"entityId": "274325189",
"entityType": "Playlist",
"metadata": "{\"is_save_of_repost\":false}",
"nonce": "0x2cf8b28961303b43c5a50ee26399d4eb578f39426e20a4e229a704f814be0cec",
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"signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
"userId": "614212580"
}
}