{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x92df5e0e0c89c7793192b9c4779db0166bc2d911be1c2a858bb07449c824791f",
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}