{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x934aaf424e113389ecbf58357d8a6a3f8b843b2e9c61a474dd637cff99365552",
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}