{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x34ab76dc46cf4d5f153466512072ba7aee247eb9ef34d65f0397631845624952",
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}