{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "372694271",
    "entityType": "User",
    "nonce": "0xd4b9236348129726e3fb69e43c3bbb4d5cd5115cf66e7f7f9f647234d204488f",
    "signature": "0x5d35cb4abb3841bb5649e22293a417250a9640051a010069e7295f9542a735ee189e59232d9c13eb638c0c50b158ef45794a7ad9499871a7a4651e1de20c2e431b",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}