{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x37ac768bbbadf14b8ba8f318c3f2a3ded1508f9f6ff7b4040ed6418fe9442505",
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}