{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd8f5f69fcd32c55b05137cf88a59263825aa35f9e71600b8a2f2b688917b2ed4",
    "signature": "0x8036f51481860fd22016f2fc3030df3c859813b8646346ac64a03c1d471bf0df603764bea8bcffd44262188f4d5256a256f6800cb1e0e26e1cb321ad0e7579ad1b",
    "signer": "0x20277308e358B71c13901c84664dE8080d603222",
    "userId": "687530644"
  }
}