{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xa85375eb6ecbccd7e44cdf8426de9a2b29e13acc5aadd17dfdfa74770081ec12",
    "signature": "0xa6e26433f7e2a83534f09aadd98b99d56128226a1fb46c8776993130e8c345333bbf5a131f996ef873338d86d433fd7a428bd162af32a251009a9f5eb5c3a1731c",
    "signer": "0x39788E2D020D54760872178Cea0d5AF12732F02D",
    "userId": "720903941"
  }
}