{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381084983",
    "entityType": "User",
    "nonce": "0x113fe23fa56c63b4a559f42875043bd2d96d50007b9cb499560dd7951f801166",
    "signature": "0x5387cb404e587f067e0f1b945ace4bed020eca197b9c3f841f9603e488534006114581d30d71e1ec20797e643c1e2649c6534716dff8b7965ed58db5acdbbcd91c",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}