{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x4ec02732d96ad97e558543f423b1481e8e1e44d258f5fb9917c42201ce9c5ef8",
    "signature": "0x4f699740f9f39133d073e9a0620ae5ad40e2bfaad1ce90b823a991ef19fbf0f764a7623fecd51d03762423c7cd7aaf32c467959a49abe8fbb6668296896397d61c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}