{
"manageEntity": {
"action": "Save",
"entityId": "565371824",
"entityType": "Playlist",
"metadata": "{\"is_save_of_repost\":false}",
"nonce": "0xaa5873e0c9d3b9e7f706fa8738f25142328ca190547b5133020a968368a2ce04",
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"signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
"userId": "854614078"
}
}