{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145209",
    "entityType": "User",
    "nonce": "0xc3260147701ed223a6290d53824769f6943aa25cbf9365c9839b4c9a3ec185b8",
    "signature": "0x642bb431b6321e94b7a6dfcd0079dba0ea9d81b2a24f777c38bd5a670032a8ee6a820388fa76f02114d5a676c34e4700990cf59bf92315188c99162b8a2eed791b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}