{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x3ed4f0d47896ed45dcb721c8ffcb86dd878b6e039831879d405e12ee87f10dd3",
    "signature": "0x03628307b953bafed3b001db606931c1744e43740dc27f41e646bd6f1e162d9d4193b6ca60e6c07ac48c44f1720a76beee72812d39d11301d0f05706bf1694141b",
    "signer": "0x41FF0e9C13C17eAa53E74Cba28CD9D9101440565",
    "userId": "854095053"
  }
}