{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x317938d48480961d87607b10175bb0eee03d6ffefd631d0e198f1241e7b61d25",
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}