{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7756c282d3ade3101d8430807abec7f179cbe484e7bbed7e2d100dba35342068",
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}