{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2d55f41b0668082cb8010acb0aae80f291c69561c6a0fb3e7992e2af7a3780f5",
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}