{
  "manageEntity": {
    "action": "Save",
    "entityId": "1231983901",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa47d93fd3f3a6b736b3c2fe95efc2e9a5ae32152e292517d222b1724c1d7fc94",
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}