{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfa93225b9fa3d767bb9e0e4acd1efe7175c4a36d619628c550051b63e613ca3b",
    "signature": "0xe2e548c6087354a0c7eaccd02c159576de6732f86f30168215b87083a13faee35449a55b8ab3644b6744d6cd85760ddd2c1e1aad30d8faa559a44a4fa9f51e561b",
    "signer": "0xeCc7A1b9504A18Fe797f731a5137dd813D09b462",
    "userId": "297034379"
  }
}