{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65073",
    "entityType": "User",
    "nonce": "0x8d5a2733c25ab06ae26b4edf3f5b1e1b13825bb291be73d5bc04847cf14806f2",
    "signature": "0xbbbd0494c69e8d4d0f0d1db19eb28612c1305253e5e6ad07be48079ebb706d343598039484d317f5cada4ffe7317bf6a98c467b2c59f174ad729bf1663c2c9351b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}