{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318437",
    "entityType": "User",
    "nonce": "0x05ad3f8b201ae8d2fa1c9bd1027919e176474e2b28be518b888a066d13e2f2ee",
    "signature": "0x0e43d66fa0485ac015db156cab18ab9046993e7b6e55840708cda41da3c366933000f72e8e87b969db315c2ef72f08a9014c58c81a140fd2ea6937ade3a229531c",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}