{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "834403365",
    "entityType": "User",
    "nonce": "0x3adae2d11e9fd140b5362690499414e40442796c514d5df486e784b0ddc67ee4",
    "signature": "0x6e1f95875d1461fa2a1d35ab0fca82699a1c91b59cc16c9f5bbc9fad638e4aaf02d392046f91cc1605eb4c8d60a33b8901dc64fd48f598c0223594f5e546b5491b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}