{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "236289",
    "entityType": "User",
    "nonce": "0x2a3c812a22ca5f022b98921002bb42bc29b772633f45a4ac2ebb94651233c413",
    "signature": "0x99a729730ee6162a071ec341eccf76c4400b376b4904ca75264651c30d5944e6248eeec6658e0e4780d46439e3e21450ee254cf0ea33a9ce4f41ac3d9c0811211b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}