{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x134fe64f9da9cf189ff8b3d34382481413e8602286b88b6d6a9c78f39b2bf292",
    "signature": "0x7a32ebb9d7dff6f86e3e14e8aae78eeff089d5e07c4b69981f13aa316ea0dac4323c3181e53e130089530a9d56179facc82494e6b4be2f400f728cf7a18bb26b1b",
    "signer": "0xb15d7053c985Edf1d74fFc9893ab67Fdc2B33090",
    "userId": "211545300"
  }
}