{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa8d3be3aeff35be7ab5f8ac581c87f39b7977aa1d119025e2991ff781016a02c",
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}