{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0xba2e7e9c4964eb0fd7252b17898db78de523140cecdb90badc6ba5f411409105",
    "signature": "0x8bb27d380f7317c0bf804647fd5f48bd7d69a6290808084e45e011bc1a31e3fa3eb783c369ec99d263d117fdc42a74ecd02622496207e1029a2d3fc6959b015d1b",
    "signer": "0xf954E35976C0aAaEC2968197F2a371Cc99E7C81A",
    "userId": "102143"
  }
}