{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x803a7ac106be9735821e62ed6537c2fa2edd192b10afd4699a3a14a3d4652bbc",
    "signature": "0xcfc7c1ded6a4e99c528d0909a116467c67a27af810704606a46854bad0821e440ec832ce73034d9bdd391faa441fc1d3b4e3f658025a65fc0513804b76debee01b",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}