{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "201370",
    "entityType": "User",
    "nonce": "0x359e3fd0637605dbce17feb1395a6953fd45ba32949e89f7c8b6744b87738ee5",
    "signature": "0x709d88648ffa099c8e57dcdd49287bad8ce855ca41232f45d8c22da6daaa4d7a5fb0f05361c073e3fa403b015b83ff10cb131017321a5f26639e223f3acffe0d1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}