{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318184",
    "entityType": "User",
    "nonce": "0x0764f37d6e043fdeaa8a210f60f383db3bee1364652c4d5a027ea68f77578a60",
    "signature": "0x98f9c4677c9124804eb689331205450f61ea6f075e9f946d8f2a4dc33eff51210c09b138d931da885f2150b02f778beb6701b8f4186b35fbee62c8d311c406131b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}