{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe0ee0f1e59103fda36b6f120455d6ae7fdb5c7da943c28fbd6c7b0dba913b740",
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}