{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbf0cf9d131196e76b0769240fbb73c28a3af362cf86386204d2d68aad3c2a23f",
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}