{
"manageEntity": {
"action": "Save",
"entityId": "4281",
"entityType": "Playlist",
"metadata": "{\"is_save_of_repost\":false}",
"nonce": "0x8f336836297e765745e94478abba265c7fb247f450d10bc08fc9351effdc6093",
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"signer": "0xc7713Eb062b586364a25beaaBccc93E21Df318c0",
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}
}