{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbf502c1b42cfef9dd967939acbb41da0ba1b50e11554c288de4b5b4dbcab36f2",
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}