{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x27ee8f9f852eb973a9552e606117522f069485d0762daf6dfc770f5ac35eedae",
    "signature": "0x1c8aa3cec18721bb80d98fafcb90a28d4475d554866de349b5b76c871376a82c6a393d3a685def92b8cc259b547fe0fce4a3123a07c9e41262458ee071782e021c",
    "signer": "0xEA6429c5fcFa3b22c153B9a9317367B1c7766000",
    "userId": "495268028"
  }
}