{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4ae0b32a684f62c4f98cee5142fe4fed1a70b36db4d57f728ec30e29a3f3b626",
    "signature": "0x3c740e0ac0746ad9aa18045b3b7a76f8c0d4d91b4d0b26a43397313614c5b58e746fe350df73c6121a047db2146ac5caf247de23b0b3b30de6648f315ec130d21c",
    "signer": "0xCDa375200575E30227163D9E606beB0e587ce854",
    "userId": "408678644"
  }
}