{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0b4810cab9e4aba0ac6d74337959c3f2a103716284bb4445bcd01cc12c793e3c",
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}