{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x39fd16add069c1baf8f4c6edc8f4c2ef4af10ea57d5106673d578a07f6209db5",
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}