{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcdc09367f2109178c87e88c4877d4f327390a00c298310ba8e1ae537160e2abd",
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}