{
"manageEntity": {
"action": "Save",
"entityId": "1038237599",
"entityType": "Playlist",
"metadata": "{\"is_save_of_repost\":false}",
"nonce": "0x7a26919ebaf496d93f43dfdf9dad40465a667feb81a73f435d48788ca9f733a0",
"signature": "0xe17e9da44f7a6f4efae6df357c0bbaa54ee133088c1323a92572e3d91c51aa373125663d956138e784b0a8a1e4ba5c81182a77b85ba20f43c5dd77180e1499821b",
"signer": "0x2c232E026B83c9880E3133769a08b5951c0b6C75",
"userId": "713107840"
}
}