{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1880649",
    "entityType": "User",
    "nonce": "0x69ac5ac1114a00adcfb73ca5fc776ba0fd872660c89f86905c14260bfa325772",
    "signature": "0x0dc09f25a6f0fd9aa61a6c809af14316c60cfe318e28538dc6fc549fa0e3d94942dd6d8fd793c561a820dd91c41141c1132cc6307369bcfd39b1597f7c973f9d1b",
    "signer": "0xdcAEaeb1b2DF396B02cDe67B3D030cDf38261A5B",
    "userId": "58531"
  }
}