{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50625",
    "entityType": "User",
    "nonce": "0x6f018f8475aebca8c8477293dfadd2a1a0a1d0ca1bf771c59d72e38cf5f6202c",
    "signature": "0xb7948f57fabf4773e9913f5b41f05af05eb9f5e993413e080a9a447b52302fd25b074372e737b6087097180232e515a39b58c7dd14501912cc6dc58f15992f3a1c",
    "signer": "0xcc8164Efbbe4ed123B8689622b411c154496e66b",
    "userId": "60031"
  }
}