{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc480d7d42f9ae1937b1bb3ad195f68916d9234f3cda561db51456de4b8490364",
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}