{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "86718",
    "entityType": "User",
    "nonce": "0x191fbf5b930e07ec6b2ca71b1f8028e9968fe81910ed2754d1da1e505b080fc0",
    "signature": "0xc46fc90902068a15d44cbaa606aef10455dff492b5b361347560f0478e19cd9969487de57fd5b674b3c2cca24ef78d6434354160a183953a1c743ac178d721fd1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}