{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3b403914029a451366328cbdfb8afbf9d7dec96cf76d8d287423e9c893374b7d",
    "signature": "0x8f41a8bd083a5c3c1a22916d1e1400206080fbc5d4e31c2b580d5ccc623e162756290ab685d07815db6c91c042d7ed578d38264b864d5bcdefef1f9b7c8718d91b",
    "signer": "0xE5c3922424A1B896ad08ED5889f36Ca5DC40660a",
    "userId": "229327490"
  }
}