{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x0d1af4a781b7e287e19ae3c2e5b08a14e96af80af064b5bf4959932afb7149e7",
    "signature": "0x509dd5679ff81048c90d9ad285dfc84ed7412429a734bb9080ec01757c6952583dc94cca4ccbd85424c4fe04e6b15b8f1280f30719ccd0f022925eadf0ed4ea21b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}