{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x393f5e1b8f789819cfa6525cb8ca6cbce1d6b1073b1fc1a9a7c307473fd6d556",
    "signature": "0xb65af77264274543896cb61248d2e8c4141b2ba181fb0b05e3b2f573348ce8f876dcc7c0fee293b0f9013d027f164f7ff9556c54488ae8aa79ababfbb93638cd1b",
    "signer": "0x61759FD9d69b6C29FE84fc39eaB6C50Cf7dCd8FC",
    "userId": "366953361"
  }
}