{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x9fe44962bc28072ef3495fb04bef3b4dc5a590ca790f27ffac45bf89efaa5753",
    "signature": "0x3bae01e376bfbc9e34cf60af243ba4e072af8cc3f7d12f99e40507f281955b31332b5a8a6e478409d1f431ad8d84031070107a6f1b9b71a8a597c5f77d2134631b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}