{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60020",
    "entityType": "User",
    "nonce": "0x2096c4f46c98f79659fc999705b6091adcdb5031f7880fb277921efc87f936cd",
    "signature": "0x45ba9a7767ddf2bb630f84753d7a11d5fe50e066caa15e5ce7116312883f9f6975a5d3a3421cc5f61e87468dad5bb11d427cb2bfd2e043364e5954371a0112241c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}