{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7e62c0a904b6a774a458a48cf7479b0406ef03e0f5711209dbd946dda35cc4e5",
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}