{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x905c6822a043e68b9448044afd2c6dc9db08602b6082d67c3aff2071bd0d388f",
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}