{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "284269075",
    "entityType": "User",
    "nonce": "0x1668ba009f68c71bff35fcf7fa0ca121d14bcc9b5ddc1c67535290a12f560559",
    "signature": "0x8bb2785ebca248ec80b9071cb34f036aff2f740c52861ef075eacb0ce2be25225e0e70b4de712b2d9c5b649dfef099db132bae30cf1e86947bc26d5f53a326da1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}