{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb3d6c467768207f009efd9910b3882d0ed17b74e0a7c5c7b7101109d2474f28d",
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}