{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "158301",
    "entityType": "User",
    "nonce": "0x11d7d241a4f02ac0271fb27f5f552833209562318e156e2cd4adef284ea83f4f",
    "signature": "0xc6e63f85c550c0c791e5fab233ac3c756ca69404df5ba59481b06ed9074381974b7b93fab2a7e263ddaa1cd32b49a1ee25357e4dd20176fdf26a20e4ae094ada1b",
    "signer": "0x9db84b5af18534d8Ee180c90E1377f813B5Ec313",
    "userId": "741417198"
  }
}