{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "201802",
    "entityType": "User",
    "nonce": "0x46cf0e7ad86ac8109ad8f20dfb4f012e48ca2d98c8abf445aaaba3593f95d562",
    "signature": "0x9e797ddcd4ec31f9f3bf9c895108847b0cb4ad9181866f01e59d900a38e572ba09bca8f98ece9ba452244e4611180b6044e2636418fd85073b1ed060efc8b2fb1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}