{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x8eb21630531bb593e69eaee2782979daf40ae7e15fe84b6eb5c8c3f042a9fa33",
    "signature": "0x7ce64b1ac2482578601f555bcf79f2f4df2cf3a5ca87cf01a47bfe490f034c673f1b1722c3f98c2145718121c8e94ae39284a60ac4df993662d16ac69b7bb1601b",
    "signer": "0x4f24EFcc0f8174B7836f5EBbeBd72AF3f1746E74",
    "userId": "230109234"
  }
}