{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfa5f33e9c9dbf0c6b0014ac7032c0df48c4bfd075b65717d0d236dd78e5df058",
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}