{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "196285896",
    "entityType": "User",
    "nonce": "0x9e1f8d19482913f17163cf9c37a43569ac61a6802591b0818327f51ca4e3d519",
    "signature": "0xfa45e1b16429ad5f3b93cb3ca89dd9b9a0c0aaa90bbdf22511ab532944ceab14189a86827c08aaed45076909b9f5fc76e8479ee85a17229e8862824b8b3c1ddb1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}