{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162051",
    "entityType": "User",
    "nonce": "0xcc6b4f8ba2723c483f8b1ebf424dcaec9b8340b3747542fa4731f93f1f85b7eb",
    "signature": "0x7ff727176a27beb2b3a85eb7c43610b8a87d8a768c6fb2bceb5486bf48d50d271092123927e30bb1f025a1b95d964e679cd1477ed41c232820a516761353f3d61b",
    "signer": "0x1Cd621cc0fa2899b64374Ba9EA39dE50a450d6f9",
    "userId": "124826044"
  }
}