{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "842627272",
    "entityType": "User",
    "nonce": "0xdd9f3d9ff045fe237c2880a987696cc44490600fe7237cd402b61def27eb4741",
    "signature": "0xd5250debf41231ecbefe074439b1ed7a19ad4707499c225d6442d61cffb8eb4f29f2894affe32ba95092f65fc57c93f97b718d19630d1936b4b3eee0377aa4e21b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}