{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "871843764",
    "entityType": "User",
    "nonce": "0xdf25ce73a7a7af5575934667d2bb8a2a865ec83ddaf311f8dca7d36f7b9889a8",
    "signature": "0xd3f5bda8ce6c065d3b59e7a7aca369a839e89a4d7738f306daf9baee1c2f16e35e01eb7d5a090a3b934a565d61d8338a613cf5afea982147e2407c82808ce78b1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}