{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbe2b2471f66327770837013ebf28b39135dc7151354ac397ca9db195f2370901",
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}