{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632283492",
    "entityType": "User",
    "nonce": "0x5263f1d07f0a071e96cd04015d526b575a237c46e06d2ec445e825d37f0d2678",
    "signature": "0x6b691a060496c4279b315860fd3348a950827956a870edaebdc8e02f406af2bb004a1299e35d4596bfc42d0397995d5aa3d35ff40f3b8eb63657221640faa0c91b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}