{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9bc2df575edc61b6c7d14d62dbd4dd5a3a00a2cbac0e9922da7c0453bb85cf28",
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}