{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x923a616343db3ab9760c75febaab8e05a41f1bf7a450e271f74e0dff8ac2e86d",
    "signature": "0x166f61f320a3df4cd92ab257e2a3e8d945ccce53384376a731df2f0ee2bd012160a9deac9ec20a62a783215e828a3f19c59f660dae594ef26f58e0da2ae09d801b",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}