{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xba799ec04e2d6e215d237b286b3d11ebe74dd5a7497c1c828827210917daa2e5",
    "signature": "0x7fcfe3d1b4b8f4e03c50c6aa95afbd88a9072420908ba072712bd9e29b55633f2adae213930425335db31e8c57a7158830d0782bc0bd04d04e60634bed2dcf211b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}