{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6382bc108bf69578f3efc1815a10b68474f038d6301f848c68d89ba8f58389d9",
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}