{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13916",
    "entityType": "User",
    "nonce": "0xb16a4b8f08a1ffa065044052ab1c77fe22570ae93af9fe2637c14d22906d8438",
    "signature": "0x1310774a5a6727c3df03a2a8029568f582ab3a4e10a02c24099d6bc625ed080462e074f90010c41274c1a6a9e212d01b9d0dc490fd96d73e6fa4c88b8f733c681c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}