{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91901430",
    "entityType": "User",
    "nonce": "0x8e8954907cc54b7ad48654bbf0da62e1643a73de41694f5f2e088214e8f1867b",
    "signature": "0x8735275d72ab90cac42b079d0c97f5ee4342dd4d7991c8169f61856661dff4dc023c033ba755cb2e68a39ecf19273843b0105589b9615d693a88e2a291aa5b381c",
    "signer": "0x9aFEe643DbEC07Ca709990bFFba18669AE933e81",
    "userId": "799343570"
  }
}