{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x595a7e5083cb8efec6b39e634c8e1e5f013a4d876fc8ecabd06ee3b0bfd64d93",
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}