{
"manageEntity": {
"action": "Save",
"entityId": "13443321",
"entityType": "Playlist",
"metadata": "{\"is_save_of_repost\":false}",
"nonce": "0x8d3a1612cccae89ed93241a1eae6a756e369af433cb82f08a5e203d1d7b38850",
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"signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
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}
}