{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x77708c0ffe40a2cfe6de238d1f26b055eaedcff489e96a1f9dc30524256ca5e4",
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}