{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x215e8a81e07ce4d018e9efa8b165aa303101d9b055de06d8144b6e516bd9fbef",
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}