{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1f261e14fbe6913e418d78f4f52143f0e8e981a27cdea92865067d2264790459",
    "signature": "0xa33ff560e8f9cba0757cddc3b691bd8f3ac5c5471a76205be8e7ac13e96d988863bcc89eb0c2620fc725ba1a01e6f057670720d52ad8ba427741878b12053b5b1c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}