{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdc5015ac8f002ecdf02c9c9ee68f3ad0677d49497511c90ea7343aea70f441f5",
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}