{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x178c31303d991a381fe8dfb39a3c0b19fd13b42b88846590f8f3807e409c7596",
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}