{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x20f8c83080ad622fba901dd2eeb3549196cfb4751a8b0eb7b4b83a6b935f50d1",
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}