{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134943",
    "entityType": "User",
    "nonce": "0x0fefcc3b8cd168ab2cad3e94025ee3ab619700d36ac3bb141fc23332a454eeb6",
    "signature": "0x240a5692bc20032acce65c53c7ba9bd2edf04ead0d8e0f2a40cb3f871aa22d9d417eecf24f09a6bf2a4336afc7c2d9af8153a75cb2e775d242671c8f7a7551271b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}