{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18116",
    "entityType": "User",
    "nonce": "0xc682d3a178e378e68c8503642715a651f59ae5e7c43da75e934d8823ec3b3eb2",
    "signature": "0xe4b2a56e960d2ae9cf6adb4192c807cc55c74f2037b8a2e9f298661f5a2e18612b2dd3529891f4bb55f64c3d0e42dded1078638aa95967aed313f140f8c1a7aa1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}