{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf67bc1c3e1e58910035802170e19947f74b8d9e97da793d2448207451a9fb188",
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}