{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xf4376635b8e148a850f7b219276525991c7e1e9557ab467647d672c46caec06a",
    "signature": "0x7d283b7d2ae0d79d703e35e6ca2c70e82fabb7159b9fce2aae8877d1c8847bc72bc6b217bacb36c2a011890c079874e346b99d718f4e207ee9931fe47fd63cac1c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}