{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "213759",
    "entityType": "User",
    "nonce": "0x218daf0d8731516a030066521c6170d4361a105c3eab0449a1e034aedca680b6",
    "signature": "0x3cca47134ab0c59b9a6077ca7c319ef743d3b524fbc0647eebdd43b69c17195c3950cdc01b70c3783c17ad83f5472578fafe1d07645847ac8ba1bf58438b269a1b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}