{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9d0622f12bedca9ce8ba67cc966660bae82f1c02750dc6f6a72d726c6338d294",
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}