{
  "manageEntity": {
    "action": "Repost",
    "entityId": "673409",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb4449d88de8a264754ee469cb14ec4dcc0085f492f5b190e5f5afabfad1e8d54",
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    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}