{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389177",
    "entityType": "User",
    "nonce": "0x9040f3e94982f2772f1294373a4b1e6aea8f482769bf44c8d299232e4f0f851a",
    "signature": "0x5ed6d8b28a400e4ab0d5c29a1d006be55aacf7c7987b62aff5f657744b1619a464dfef518e2dd1b71c206d9a8ac6dd3b43b77f30c2c2f7eb63f4464b8912686c1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}