{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98311147",
    "entityType": "User",
    "nonce": "0x5c78657bb5f10b46d565b33b890ff5b93e99d982e049caae927a48dadda0f945",
    "signature": "0x9c71658e4eb0bf867c078f1f7714ae922b6dd9cc6d370afd60a12b72e4b32d183e920654ad3e31d6d9fa6fcdfe1bd2ddcbdee9b4e4ce4450e20e6b47bc61e5331b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}