{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x53811298d764f06fcce15adca98a5415492958ee2bb9d8c11fdb43a7d0c5dc77",
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}