{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x19245078c5e2304463b328a852d792d7f249d64e0818d0c87dff4f53f19739f7",
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}