{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937299109",
    "entityType": "User",
    "nonce": "0x15aab58eb0e70d97ea0873dbb847c1aed6e4c1531db2c44b29e2642fe3e0f4cd",
    "signature": "0xeeff188790ad9d487bed15d70ffd8f4de475533a6530d08e9861727b9db77aa60ddd669ec67d295e1104277b2249bb473575d1eeec8c7e75ea176a3533f593011b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}