{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948329777",
    "entityType": "User",
    "nonce": "0xb00d8f8153351f406928a894a102ddd1f54adff623877bd1529b019870c8f1b1",
    "signature": "0x93382ed25d3ab57aa9e681282bc1a2e9ca42bbe9a74ea16a8f42aca29b5ae0f549e4186e23a2c2c568df9184c788e63c81a70aeca0a3057c304ae5af18b358771b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}