{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x33c84ebd3dd8c23f6e817dd1aaaae3b51515a331641283ba5a40e234cdfa2201",
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    "userId": "833045944"
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}