{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x365e5f62436ecbabe49a793f5b0931f0d0de3bf81b0481424d63886fae2b1abf",
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}