{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "905219052",
    "entityType": "User",
    "nonce": "0x0a87ee2804a7209e96cd82e08033dc4468a6047a8ad31e0e9c42926b3d385af9",
    "signature": "0xb26e463331ceba492f00a8734bd51f40ba10b02541a985dcc79a46dca5b547791d3f4a7a25c1faea5407d99d708800e76ead62fd4e79274bc05346b5c0e3ab221c",
    "signer": "0xaFdEC27229de1023f5322f4Dbf0e874dC548011F",
    "userId": "817564020"
  }
}