{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27451",
    "entityType": "User",
    "nonce": "0x4946d91ea332ff4273e3ce305079309ec9dfafb52d929da816a6c7af4c4b3722",
    "signature": "0x8ee694d223f7a4b829deadcd71e05f37b0aed0b1df5cf28f2954b2d85798096d331742e47e0051f5014fb2cf1620b783e0fe427845bac06b5b863981ba985ad01c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}