{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x75b4aa3301876a493d73bfd626ea52d8042e06674911435a6935eeff57955f8a",
    "signature": "0xb03faefa43508223cda49278b0cc5e8effc279024ab121a5b0c3efffdb1003cb6a0cbf0567b450514769fb10bddfb02270ea2abb4559bcd2b1e5e7baa663dbaf1b",
    "signer": "0x9db84b5af18534d8Ee180c90E1377f813B5Ec313",
    "userId": "741417198"
  }
}