{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcdfb357a58e0e3d00cb41d0bb223ef9717af7f78ec0f5f5c62bc91ce65338716",
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  }
}