{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x603d950f16fd210be76d1478cefa119882c3e7d38d1ab77114eafe6cf4277b9b",
    "signature": "0xd7b52b3e69c696536a04b2f96a0a06f961d6c0c02e9f9575ce0aab11f0b497a23a31b5dd0be13ae6ed500b01e0e06e7e0f6f8158a60f2cbae5cf74c414f9a3381c",
    "signer": "0xBa39a1B9C2A30Ab1FAfa33cF54BF03e443abad57",
    "userId": "348773042"
  }
}