{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7d4ad25bd71404ef16729eb539c3c563436a637ff5ce63f2f80c79671e827bd6",
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}