{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6155c4f236daa1e5d2443f95d680a181426b8832cd54a2bb2d2ed8a744558622",
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}