{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xd32a4dddfce543d722d0ee2aaf006f75a75c054dd613e2a1c2f4b2ba1bc577fc",
    "signature": "0x3b6b3ec01cf11693f95bf623e6d60064e54da8436fa2ba51753138a872a65f1f0a3b2d0fc4d0d0f5b8f34c432a59a5730a76a64b19ee43552f3d2f4ad55d3a4a1b",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}