{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xaa37e2ee4909f5fe3500365901f59ec5cd256dbd5a9e6103084198137d5a1189",
    "signature": "0x10ec314669da4808501b4fa7c655be557d8b4927e034069acdbf90824fc0a2c41f316c7070838e72d41f8b8a4e102c498dbc1be7d541ba7aa82a92cc1736fd321b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}