{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "267813348",
    "entityType": "User",
    "nonce": "0x2cec5802402da5b4a636b62475b4ea4206380b1822b13982f03a290da50b5439",
    "signature": "0xaab83555acaedeabfa6739c81960f8ceb7f84dd615104895fae3bf2c69dfd1924308d426ee246052dec68e06daf6f3f4257598b911390ba6d4e89fc9ab49138a1c",
    "signer": "0x3CE307cb27B2Fc2b03Eae311050CA4e8C34Fa57d",
    "userId": "50936"
  }
}