{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbe24e11b4f0460425d8ac9b8e315f3ab368e2512a709e29420b16431b0ed519d",
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}