{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7c4ef109577c63bde0c43e012585d7e926170081e9589968685f7080b261e8a6",
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}