{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x60700747a7816c0b14606a48ba962652484e5e71c47738de27ca36c7c9d67c6b",
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}