{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "681465788",
    "entityType": "User",
    "nonce": "0x3d020a0e83a7c56dc6d64ea857c246b35e0eec3d528b63418d1adc22944f2cff",
    "signature": "0xcbc8a1e2c2b35e961ffdbc830b3ea557acf9db059da9aa9c06e7b045c994ce1e002824affc545ba164e5599d3f2cbecc396ea1deef51246159bbb3cb2bf154571b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}