{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0xdffbcce1942d0c76921d4defe6d7d516ce5e671452b261fe2553807497ee1346",
    "signature": "0x27ca35a27819079cbce10c05949d7c60a955e1f67f705023417f312590f0847a37a245ad7f434937475b6323b0d5e2a03d38409ce0d1937f7328649f98dcff6a1b",
    "signer": "0xb947c8d74C81F96311AF654D6943a3828370fD24",
    "userId": "143893859"
  }
}