{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111210",
    "entityType": "User",
    "nonce": "0x9dd524ef28e7a6a78302cec81308b8e9229d42e5d7ec82004d55e7c3deecccb0",
    "signature": "0x241630ad39d62453c90d81ef55e20f74fcd3b2c7577004e48e0db8071601a08870f2074b21b2a8aaf2d90555c2c4ad960d2d4f666955ac5de1a533dc3f55449e1b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}