{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6958f982db88ebf3fb5d91a3d026d1a369a2f7197915528d7ee04b25eaf528dd",
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}