{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa3539816c41fe49b26c77f07830c5dbf4bc22603c9cadef401d5b2db2af00b14",
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  }
}