{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdd54adb9e0a19b760a2e5880852b947b2e1619a825c9fb8e85775f0b45bc7fac",
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}