{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x16977acff5a2d6dd00425587ec6e5d46fcef7ed48ed6c2f9a3c452cdb1059a61",
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}