{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16251128",
    "entityType": "User",
    "nonce": "0x95edd6067bc22d87691139a58ad6ae75b95b50ce19a31090a441959d52ee805f",
    "signature": "0xb77f693ccbf1b1657be41a6ea31766841120a90a18b6df17ec9b13a59ef45dca79a70c16e48ab05a0f88a2efd69a8fa713d7f396643dc56802d49719c3de9d7d1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}