{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xedd3fd2433bd033a5aff21ef1c3a84f8987f76c2ddb0b803c832d8e5c09176f9",
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}