{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xb944d9f3209ca4223d70721e4e14f2faa1d5e1c9d4b5fac26767f492833bb641",
    "signature": "0x96312fe97ab088f2cadf3b75c24c0f7d7bae9d7061516dbb50b0d34b2164cbad0e6aa0f36a0e39c29e1f5b06c1b4236a71bc1481b752b1afb8e35a1b42ed4b431c",
    "signer": "0x0D2c1331F52a98aF1Bd206E3C28062E717CA9E51",
    "userId": "597927803"
  }
}