{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd04a1cc30c92bd7dbc6b7a047c570c351f3a950ef25e5c8e8d24a819c2e07583",
    "signature": "0x38081386c4f53ec9ed61c64413d0b03e7c81b7ea1f2bef8e5030443326d6fa3c6243060a311e83f7a6c914615c602e5cd39ca4a0f1a903d6345b0b8462a959441c",
    "signer": "0xCC9824B7Dd8557C5737409C21cb83B118a3B4826",
    "userId": "793219738"
  }
}