{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x28a5190ae67d43060a55def29d86364ecdded4d3a64a34445d1a55f109d6da39",
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}