{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2fd384af4f5a9adb7d3a7752ffba34963ca47103959ae879de0b9b4d274e9425",
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}