{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1087",
    "entityType": "User",
    "nonce": "0xdb1963d43c109da4429f72e0d75c7495f1a3222a927d699d0bd011f6c6360d29",
    "signature": "0x371d914f505a19d572a2624be70146c7b01de1ba2bf10d0a3645373f7dcf396331b01e56f90a23cd1c870b3767bddccb75a530703027f3c889c8640f32d3dd231c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}