{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "993011752",
    "entityType": "User",
    "nonce": "0x480c0a021a0ed3256af4e5c033757ecca471019f320a8a69c0f7d7db9c0f5392",
    "signature": "0x4ebf75ed2919a1ddaeb8585b847b061afc04323d58beb4e83fa5815988908c9017ee6900faa7640941bc4e508135eff41ffa4d29ef783199cde2b87d186a48d21c",
    "signer": "0x23Ae8E2241d8d34cC28c882B6aF853c0bB4e384D",
    "userId": "355794093"
  }
}