{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7f96fea724247b89e4f937a0ebc03c4bb0da524f75143817fb3a6507d2a2a986",
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}