{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "377610060",
    "entityType": "User",
    "nonce": "0xcca5ec481fd72685f840b35f333bd3e474d01cf297d3f125921a9748c9b0e403",
    "signature": "0xc29cb199cd0b747f513ce3fe38f430ed1dbfb16ba4f3d6f38fb1cfde1f14709902045340bd1d27a022c4b729f483ff888592d561e90eab8668a0bbe603741f261c",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}