{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0e1a5a9c7befa60ba60034a30c207210f5573e384d77d21fbd3bc10a1c692157",
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}