{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "787834",
    "entityType": "User",
    "nonce": "0x57221e070632df3bafd76ebcc5102095cf3931de4dd9ac6dcc0bedb85d570a69",
    "signature": "0x40230f600b1b942548d9e61d7dd40a9f376da714e4e4d2fb6b5d0c2826ae9986467c4ec5184f8ac2acd956784840935dcaa3713bdedd5847e0fde7f744bf91961c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}