{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "845727327",
    "entityType": "User",
    "nonce": "0xc65ad5f69a0538dad7026bf4e09aa7f14e01dbea4d41872b9c95cde31c4c4c36",
    "signature": "0x9a551ec98a550cf16bf290fe8d05daef75f798ec91671513a3983adbb96098c455a06d70f2faeb37d18be8ea85f2f6c2d0549517d278e405c1a16799f97ba09d1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}