{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317473",
    "entityType": "User",
    "nonce": "0xde08d1323a6827b5bced62440fa34c5b01f4ad46c3565454c812672ba1b9e0fd",
    "signature": "0x73e6fb879fb47e1208246666109ca573671a8455228ceb653a16ec92f127e5db75fb9e9e8068b0e3b885d504a50fd3b77014ac1db25875c0d94bca70a76559aa1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}