{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9e7e9c2eb601789e33fdead09ea5e565357b2912517b341b7229f2919c8075f7",
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}