{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x266f13c91ae3eedcb19a4120240b45bd1b8388951ffd1cc5e1406dea117f2e48",
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}