{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x66c32fe8e029098a466d218936432eb4aa25d12b91b03327f92e2d8f78be8b8c",
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}