{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1415745",
    "entityType": "User",
    "nonce": "0x63add76633092eea77f26880cefc2b9ba406bca8533563259c43da24aa306f9d",
    "signature": "0xe7e30b8382541c1e05251c6997fcbfa599c9d7dd11078f12b4c3e39751f573c359ea7edaa13909ecabc752075fcb29b36c70005ece917dcdd8ca6e7ff706b5a91b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}