{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240171275",
    "entityType": "User",
    "nonce": "0x07873162a8f30a40525f4fb6fbeee84bc936cb2454dd4d9600609e19cc08ed67",
    "signature": "0x998c25b213c63249df25e15f62c8ad7a5e03c793c9aeec768f72a37eb9cc6a1a6a92c1d2903fecb2f2eb898b635baef8aac8d69aff8206ea686096962125a9481b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}