{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x54145fcf3d3b4c5506e06dabc9efdb9a0474d25bf73e7e6619685bbfd6f930a7",
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}