{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "961910147",
    "entityType": "User",
    "nonce": "0x011988fcf46474dfe1c710a8eae849f10cf25b694886f8adabf712d03e0234c8",
    "signature": "0xebfb6ba2d839b78889d4ed56041a959b159108ba298e493274230d54fd5396354861f20b4bd264f68e0516c1e02bfd5f1b21194be47aeab01dd780a4c2aa2a661b",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}