{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8de8f79726ed6d5ad34a4d8b9d2e48557680e84f85de749167fcdd536e8b8b3e",
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}