{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x062d2fe503873be8564b7301a108eccb87a20bf6b7ae8f64506595c446f3e736",
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}