{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc6ccb60b839d069cc8b78ad971ff9dbf9d2ea02eeb94dbe608557e54b8355ee8",
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}