{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xb15335a1bbaae4bce8f4aab8fbfb467aa6851a2c8f3337415d93afba301271d4",
    "signature": "0xe7f097863b8dfbb6197e54e2df30b5745f3382ab09e1281dd802c75ccd011d2a205f4577a5d57d7c504af31a6db3d76f2dff89b0ae0bab4f6a401b43609be73d1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}