{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe2aa9fe8ecaf059f9b6294ffa2f4a4de99079dbe5f5c3cf32dee60fb953685d1",
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}