{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97457",
    "entityType": "User",
    "nonce": "0x763831dd980d792868ffafd511a2e8b1961c801d7a0ba3f96d0c79b0241de868",
    "signature": "0xef11c8430da785cb41c071ddbb140601174a18bae23f2672a6ccd76c8ae8b22f49f11581d7c558c9adf8472a1b1d03bc159c3e4fa4cc181caeafbac408218a741c",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}