{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xacea7f56a566abd5f18178bbbf96d4eb6015fe792d43910dc01729b4f9b320e7",
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}