{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xa206fdd9b5b312895c5ce166cddd1d9983905deddde3bc16446954afee7519e8",
    "signature": "0x94bed7b7d386e9cbb95b5b06d38997c86969e601d7a02ac2aceaa02a5efc88d16ef7c0137638f84e2bc8ec383aa0a21ca873dac5cf3d67fe9c0fec52b7d8bfcf1c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}