{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x40508c32639be1b8ae4f49407e0e2611bca2e0d5abf57bb2a972c1761393abe5",
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}