{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7d9de7d4a1ced2e81da0e3ddd4508ce7899fc9106d2c03e0c13bb6193c5f4925",
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}