{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x740ca57a39341a12a300c824b956494d07c25f20aba7edf10985deeb7130be12",
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}