{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951546743",
    "entityType": "User",
    "nonce": "0x7687349ad40724e846b3fc2aa31fa428dee73449e0dea06414bc341304f37bc1",
    "signature": "0x8c3e253188bbcb384d7037a9e767aa5ea83bdc8a5a937ca34eeeec72025d9e9c36cda734793f5d3da796c5d1004edc4a77260ce44fb0cc3d46f927f5e04d41121b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}