{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "404104",
    "entityType": "User",
    "nonce": "0x98b0f6043a5ece8c346c9cbae29bbb89b187fff3d252138cd0cdefe47184956e",
    "signature": "0x682c47836ebc93d1b8e12a44e3bf2673a754c147686ee92036a8ceae87904fe404798cae39f5c0e4e49476fac3937654e88735e4877b03e54ae182a74b8761be1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}