{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xead7246f4bea8c863db0467be8ab92bb216ea57ce074315fa1f8d16832a81f69",
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}