{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863022589",
    "entityType": "User",
    "nonce": "0x35f99038d9019e6048d52b97854240c2a5138bb4719b4c17620ea2fd931101a0",
    "signature": "0x20f1773fe70d43aa9af6d081dec307e10d42b0d5fabcbe2aca006338bfae1b485148edb6b36c263d7985f9ebce4f0a660d94588313879d768626be9d6f36c5ed1c",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}