{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x583eeed6b59d88c02ae9ebe86be42cace0a57e7376c1e8654e7f1648de884768",
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}