{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27983",
    "entityType": "User",
    "nonce": "0x025fbca8cc780848c0c86e8309e640f1c0959b8fabd5864961486d822baaff29",
    "signature": "0xb84b56d596d6aa55b8dde5c7d8e5b6c00f8b1571891a035850569bb7b0cc0e5e71bc9a18d489ba93f77470c55116976948747f4c70bc9bb32504649b88bb668c1b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}