{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x82c74d490408ee14911b873d942f45c422637e4918f4c158c32f86eafb24bd3d",
    "signature": "0x2b9177324f1782e97d3cb4c91688bdceba6cdaa9a3a003ad324804fb5c9321a21358dc6c947705402114bfda8566b621a39b58e3ee0af3a0961ddbd56ee8b16f1c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}