{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf2c2cf8951d9ebc1c6d58e92a7a5c0deb38b6ee416d5e4056163dc76d035c39d",
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}