{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x425c6bc9550439c8b9aa26b1837b6a6e7f4d7085ff80a08fda829b84e65d4b1e",
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}