{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8c242de5657599c9850a2ffb9992d1d6943bdd0a5dcd01b2c1cbdf5e42c6bec4",
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}