{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xed4f41f2fecbdd233e83172122b2f4248016c1be70282ee1eace1d1cdf20c0f3",
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}