{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa89ce320300e676418462b934a9f569c999822e54dfb2ce0dad9ca8a10a46b63",
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}