{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102580",
    "entityType": "User",
    "nonce": "0x4a720acf7f39c61f7115d257ac40e89d4c2ed1b150d4748967a15e50343d83ef",
    "signature": "0x2938781a85727532304b22bbb162794f8905e700129c7e9d53dbe17a466fca5045e90d33d07dc76c887055a9217f7ef96e8c2862b7fed0c17864928f9a1aad861c",
    "signer": "0x101a0B7DCdaA192d9B07322E13792e3d5Cba1634",
    "userId": "689010269"
  }
}