{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb899b34c2b9f7e78742a16a0b74eeb022674cda95ddc00b14caad77426715d29",
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}