{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xea634cdc5ccc07b302c10c1c79266a3da99fa68ed08f1b26562213b2958f5f3b",
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}