{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77371",
    "entityType": "User",
    "nonce": "0xfb3a787eb9dcfb7141a8f623ac30d45ec1391163ddee0c34a9f51448465491cc",
    "signature": "0xa6b48a3af5f082f0a9a4171d0edb9c56865d1f422206e00481dfa7cf290487cc57d086e3123b8a226a11f798b608e79086eea2edd4d086c1a842744fb15a196e1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}