{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x438a95f762d8f9f0ac0464f1e89542a425e844543c437cc04e4a63e8da20bc9a",
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}