{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49763",
    "entityType": "User",
    "nonce": "0x01e88265257d0db339e55fbbe64ff7f6bda83b88086a6650592d837c73d6f282",
    "signature": "0xb4c58ba8227dd5cda0a7668c4fedba8dd080915857e02841a327b3742767982518a9a4939dcb54c0118a013ce019e0d7677f4b82f29cc9f2c6ce28b7eb1f01b61b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}