{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363864",
    "entityType": "User",
    "nonce": "0xb8b7af768bd99cf0aafcd77575aae4dafc7ce5474837e212691dc571a006ad6c",
    "signature": "0x8b4ca5b31f29aa53a888b3654c98d6b92b3ccb350dda5b313856a48971198def08505fcec9284e81faa108e9e1c2a92642b6f73ac36b41a360f259880a9db8951c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}