{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396",
    "entityType": "User",
    "nonce": "0xc6336a69f6f68338d7fc7ce75a610b84f17fad2afe0fad98a7e20c6bf5933075",
    "signature": "0x7c96dd3fc1330eaf6781c33342cea979fa7e959bc62764c5c88ce3db76e985344544bb96264feac7d2e6eed1ea5dd1166dbde70385356eaf11e46827f0a284c01c",
    "signer": "0xC59f7055B078B1Ee57c271E19BE5Dd7033FD64f5",
    "userId": "950751701"
  }
}