{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27123",
    "entityType": "User",
    "nonce": "0x8d93b515203aad00e955b9d584030b45e890482e9dd065dea3d47c6b40a0d259",
    "signature": "0xe8d26cec85e70f8cb53999d3cdefe2b98cd06b5ad5945410f57e5ce3c330e044245dbbd2e5a3b1218ee0e4c920e480e54a476ca42d30a691d19bec5f4753888b1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}