{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6cb90bc5d0e9bc2280b83fe5a63a4b8c2e6878b3b3288c5485fcd1b9a81a529b",
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}