{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x20e34fa72dfd3c9db89090c78cf3086d760198d1a209e54fecd7b67dab51f2e0",
    "signature": "0x56fd18fff46204c49b533f75c773ff3b5119bf32b70bc5007ed53af6786f0ecf2b8cb89e9773f10f83f53a8e74fc31963f23add5a7ef54c8b60977eb5b10ec181b",
    "signer": "0xb7eA88D4998833A36FF28Da97CFe73D5dA26E6Ae",
    "userId": "863841442"
  }
}