{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd06a1411dac0604da1aa3620d7b2674a97f1f6dbb444de9820b8c7d3e8576f44",
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}