{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x30198580a75dfe7988fcbdb1a191992e566dbe7b5e0b300b1f263139bfa4aa4b",
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}