{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6e36c87ff69cac7b596dd07c259c7e78800c8e93a56822d2a77aa0dd973309e0",
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}