{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x9a15d7196418782c8d3c5300758bbac48a30f6445b353443d3e724d395177f7d",
    "signature": "0xdbd7708b386f340843599f21d539cc602c0ea25508bba57d561d683e2bf9a8720984b558761e18be83ee6db68f24c110ceae5be3ecee1db674fcf9dd13d580531b",
    "signer": "0x72C3229e8a009963fcCB987460463895a2989d71",
    "userId": "109371348"
  }
}