{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18034",
    "entityType": "User",
    "nonce": "0xd567c62fa0822996880140acbdd9cd7bf62a025ce7a7ddc9a8d80232ca38e7a1",
    "signature": "0x4bf2a613361be4bb58147cb329ec2a30adc8d9172424a1b50c6fb3681cb0440f600dca701dbf3831b0f4499b6dc841af4bf97611ffff2b088e7d71b5016c89f81c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}