{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9e92a1b81785aad3b4a9a9b72597b733ea0293586290dd66c345df5ac8ee25e4",
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}