{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112502",
    "entityType": "User",
    "nonce": "0x36c181d4dc19157cabba2a97545467d05db068493236838845a115eaed64fd49",
    "signature": "0x945f0d171bc674f4ed0400a76001be54a8862e44621a78c3ecb0a07c410399501537ebab23d34b46aa61eff860f3ff6fa6cea1074b0c79d2aed0786554e6f6881c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}