{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd8b3e9624593c4f15ee6fb54f923b317fc80bad47ae09b0cffc7a537d664da1a",
    "signature": "0x11fb227b07b6e58cfbe7213a233937091974dfef38f5e258626af5c370005c096c7a9be96b79e25408850917afe48b63de35fd65ea3957d03664f7a30cfb64461c",
    "signer": "0x17527E4F69cefe2a5f104a7dC79972D9E79f0BD3",
    "userId": "685553279"
  }
}