{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295993",
    "entityType": "User",
    "nonce": "0xcd5b395a909277dda588000b91c2e43e43982b5f1709f67c615e0feee03d8bb3",
    "signature": "0x7a81d66cbcfb800820c34866030b94bd0a8ce30744b16f060b4453fbffac5bbe51189ac002fc87bb7e2e9bcf8d32c5c309d4e5d47a6d76dd3df9c45a48207fdf1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}