{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137593",
    "entityType": "User",
    "nonce": "0xe98c5767b27505737b9d4e53b43b4d7e978e5ae7fb769e95e63890d9af897369",
    "signature": "0x117c38b948134676c22a637d0ef1872ff097cd38bbb410b9bc304a99e3fcfd3a1408f481653c742ee805fffc234ddde785a055baf4b00fa94d3ec2e375b8847d1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}