{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68884680",
    "entityType": "User",
    "nonce": "0x9a71df7577a1ad5706fc845493df2ade7714c677b765c11ab7e47e7174388907",
    "signature": "0xe8ee86bc2f8d4a3de769f9ed5bd732eabb690ca205fbdde34da4fa4fa52620992ed48255ac3058f07aa0f8eb2d72711e27c92d7d2f8140dcb8a7b8e669e76b541b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}