{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1946151",
    "entityType": "User",
    "nonce": "0x3d6630063bd6939d1c603d8b6ca1cdb62db9d8ec0d0af7ae335e507c35cccca7",
    "signature": "0x2e51349dc5ed6b9e98ad07d8923ddb7f8cc7aa70e8af85d205acba92de2e0e3f6209c607439b14c84c969822b42c0e5068b047e62aa6800d9876bfee6f4295b91c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}