{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xc40918216db088b9aa9b9f8529e481d2e393b0a8aebd0f02687438195c42183b",
    "signature": "0xb6d4f005ee4a3cd90e86aeac05ae6a394050591ab3d2b5687a88d2cc4bf11c4d235db8ed28ee05109fd316f02bd4634c01e79a4804ab069e2913ed9b04868b091c",
    "signer": "0x9db84b5af18534d8Ee180c90E1377f813B5Ec313",
    "userId": "741417198"
  }
}