{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe33baf31ca4ccb0869ca4d0afda8e578097d45c6dcd2b8e20e2ef0b41b93f326",
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}