{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0x70dc6ae4554da043633589d304032abdfd764c106545a3c3f50eb8fb9d90b657",
    "signature": "0xbdd6c19a42a49b34db569f57bdce8045b7d37ee555debf69f4f05f66067d651936851115683ec994444def053e433528ed4cb25a1d0981a2678dd61e097e63e11c",
    "signer": "0xAB601814a3b7DB1149bE0b45154295028AB51f97",
    "userId": "613793033"
  }
}