{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0x9bbf038f4a2845bceffc7e0d8403401061352f12cde9a84ecf63abf3c6479ae7",
    "signature": "0xc43d59c7898d58520565af2ecc024548b2db5e2e499152d8b3b307af3d1551f33e9ed7cb8588719e0239aee91bd86e851e185f478f148d40c6655016f816db441b",
    "signer": "0x5C13CD392EcB86FaceF8A07FC5B300833E86cD23",
    "userId": "167249"
  }
}