{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7142dadae283bddd721a2a6fedb56e0728e1a1078417883f9b8bb0a0b4306442",
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}