{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x78e95dd5300b54ddbd7a03f4bc29f38249bd4236d9acd6b96d0140748f394284",
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}