{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "508186998",
    "entityType": "User",
    "nonce": "0x93544b9dc523d521bc1800b23319012cc8628dbeef2c46b69f4fa22cf4268841",
    "signature": "0x1166d5141b50cdd0d4a90fca34122e27e9df90e8d61d615a299ce7153008b91e505fe65bb1d83b03eb1ff7077ec92f29a9c47732b9646c9d372a33d97bd2b2ef1b",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}