{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x06ff5d45ecadfec0e85caeb55a1c911174a8235cf47d1d552ecd3c8381aab2e9",
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}