{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x28a3e5b7da1667aea47b870d6d4d7c6d5bd4026b14a4327d229c94f6cbc99e28",
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}