{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395125051",
    "entityType": "User",
    "nonce": "0x2d2de1b344a276edd900283db7c93f871bd0a9d3f0d703bd11ca1fba03c89a76",
    "signature": "0xfac8470cb581133fe36b75b9c8c33b096fc8d46628ea8e0420742d1968616d350eabea51eeeb76f46773f9df1a79d81993f0b5dcf749ed78236d746fc2df43e51b",
    "signer": "0x9837C03EAdfA74365Cdf4e01e6840D356104bFab",
    "userId": "911622928"
  }
}