{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "996978306",
    "entityType": "User",
    "nonce": "0x75167dfdf6d8023b592f582ea7663da81b3bed6f2791c57ef172390a5c3fc76f",
    "signature": "0x2c4b3f6c02702eaa2c5dc1149e0c4acaa763e933092a1f014e6f92eca9aaee1014d9d6abf9c63f7114db29449246f4930a76914753453d93c4f3dcdb7e8ac6f91c",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}