{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354535",
    "entityType": "User",
    "nonce": "0x06eb8c7162f4999385f4fd00e581f82272c4e929f76ea0fb87c6f20c4764381c",
    "signature": "0xee437d240bde747731c8fe35c7e274fb21e1407791423b86b87d38c80053cc3708f2dda4dc7e3a62e2496bde0d6cf3ad6787ec285038989adc083113a24b20501c",
    "signer": "0xEc72875D6D54b0e814B9d69860bfCc1226174B5b",
    "userId": "209804791"
  }
}