{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x235ac30c45feadfb69d7ef0d08e2a933997e7d9e2b746f67da5d9d8f988c19ac",
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}