{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "871693062",
    "entityType": "User",
    "nonce": "0xbd69f245d38a864a44b4ba7d3db7bcc950b9eb183aa252048975930a355acee5",
    "signature": "0xfe5a8f95e14f397dff67260d7158a69608b0de7f6362c20b33538dc4295c37465eba06661859776f173ee30b8f31f10b3291723b71b30c2bc3e4739183216ad11c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}