{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6796e35fef80a8944895b57221f19f956bf071124797fe38db6c2a9e9cdfd8b2",
    "signature": "0x4ec14cbe94a8d2ad3a61a1e3f539a6d02aa608d6d5763ce4ae16024440bb8a4b609a52fc614f9bb674a7c0a376aa34d3a9bbee75516e14a87b8efd533fb459671b",
    "signer": "0x9AB232D2b065551066EFC3104246Df4392a0AEA5",
    "userId": "991429434"
  }
}