{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "237191",
    "entityType": "User",
    "nonce": "0x3101c415bd4a67c324a183701ae463203fafff8aaf830d8eabaee303298d07db",
    "signature": "0xbdd51015a22bd2fc3221b2a3ad186e705051fa36ccaf2ae9c633eb6012bc334c72f03c36560c9c5e67a7e9e360ceb7393784398ad51f8dda7d2d2db610775f831c",
    "signer": "0xD9254B079e0e1571E56512C57188F2eec899054f",
    "userId": "854498636"
  }
}