{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x41a979ae2bab52cf2a31974997d6441af51c51ed3ad88d21b054f34d79d4f042",
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}