{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb8eefde1d38ed9a8dc27b7b0736102596a0a90e66527d8c4682bdcff67f33670",
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}