{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9e048a1308d867b3d62f85c8d3426d0ccdcab1fb7e68f907eba01b9107ff8fb8",
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}