{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe5e86fd28b820c9ed31d18ea21b3a1a3fc901b8098b079154189079bbbe56a14",
    "signature": "0x51de38b0b6de73531ae4925a07044963bc32551a3bc8939ed1cd7f3801799e72770cb1d82bea6d763f1da29c7c503e3def86cffa2aa0ad0e168f06c11df7c6fa1b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}