{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x11c20469619bc1e4382f6de704d1c96050a477adac900ee0c77b60f278ad72a5",
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}