{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "237191",
    "entityType": "User",
    "nonce": "0xfd42f3923ef9df2dff85be226779b2f9078dcedc96d0627c41cca1da3bfcd50f",
    "signature": "0xe1b402110f2a605924a743fdf1c8cbcb5fd3c29176b9ad37d167f3e21de118403487da7a5ad214732900f719110c950ee246753dc8ac2fb0922605de7cb6131c1c",
    "signer": "0xDe1EbdaCD98F8339C1b7d3eB31B3e41cf3cE823E",
    "userId": "1010239"
  }
}