{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "938150820",
    "entityType": "User",
    "nonce": "0x933b95ee86a4889640eee20feae4e949cccade2fa6d0a0f24b9ea76c1652246c",
    "signature": "0xd04070c5535ba4178445be0aced57ccfd732f9a89d9145099a02c887875aeed1472f5dc6d982516d47a17e37f797bee9211dffec2c96ccca117cd0121ce988bd1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}