{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x38f7085d38ddc95a0c323098bc489aff9f7e3142be5bfc14e6f3783a171dd743",
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}