{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6954ef727909989f5f0d30234789c77c7cce3808f5eff4f3f70f5f2d83e1e84f",
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}