{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfd5fb5f4c029b3d2024d191ecaa1ca8a7029b6b39650a459a8db0a7e2b2c461e",
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}