{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "842214964",
    "entityType": "User",
    "nonce": "0x1257cf2bf7ffbe2266ba3e9e40c5dd5cac1df64cbb912d8a06846f5a57f8de07",
    "signature": "0x9ff8e38094b01c2e0693d8d4d91a7f4828cb0a00010150e9cee118976c2b7b0868035af35e65f6693fee6b43d04ff43d7f3a303960f2e99f7a8ef1069064a99a1c",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}