{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "985168351",
    "entityType": "User",
    "nonce": "0x934ecfba4937a3d22fa038907c76e2720fce079f61e7fda2e0893a8e20c8c3dc",
    "signature": "0xe91fdbd49853dffe3b3aa643b3cd05a688da1996caf6ba426dff5ace0335a43513c26118970f4236524eba9df4a0123b59c45132edca90ef1ad2ccd9c2840ba21c",
    "signer": "0xc876F505cb8a680D38792C141903C53780bc3901",
    "userId": "384345140"
  }
}