{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1480561",
    "entityType": "User",
    "nonce": "0xc08ed81b82033d501d125cb9cb1ed69473aac09b93f2ae666b97f1848ab6c52d",
    "signature": "0x385056b3a2e2e33b5d6ccbf91068e90055dce9896407815f2d2b9216c93926cb18786d40053fa710f19e272bd1c8f734016e313e646396614c96c2e3d6adc7601b",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}