{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2870ffd1492ccb4713124cc067c03b11687aadc7d110992d1cbb234fa931176d",
    "signature": "0xcde1a589498c21d1282b51cb735cdda0bb383ee109ff4cb5e10aae5138fb05c22df3e1224140faf1771d026d4f0aa6bc897750d02c6a35948b6d4de4fd1ea8271c",
    "signer": "0x6eD110f7A10Dd04bCD6e34dD94B653b928fa59A9",
    "userId": "266561378"
  }
}