{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "344863252",
    "entityType": "User",
    "nonce": "0xc12489203e28ee66d848fb2a47a39b2f05783c3b4ab63173950bf29115e70489",
    "signature": "0x39db7c31fe80145933ca91b16d0d370fa2e3b331235ab49247f07f6e79235793428d2e575b38be0275079487ca700f115aa25cfeea4029d1605de0f44c50a4821c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}