{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x86fcec36cf1e0f7a788d7fa80f87499c98958b9ef13dcf599524a9e3d96e9f8f",
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}