{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5143288890a6030093913d4d2107649d2471fac04a17bec247f0c24c8169b1d1",
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}