{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "824607707",
    "entityType": "User",
    "nonce": "0x0c5bf8cb1a48348b5f9b1d1655b81f2d16c8e692a7f0068e5723c9fbcc54505e",
    "signature": "0x678c8320020d73e4ede146a2e79c06648d850914dbbf3038fc0396681293b18f54ef76edfe6c518a374d644683ba6502d305354d1bbc0df973a9727f7d22956d1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}