{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x3fd36ed235638dc00394c77939de2ba0a6a37f0641fe991548328ce8050eb70e",
    "signature": "0x56b003bbaf8f60a89318e441929e49b554e2384602ce305a10d360ad4a21143d752cb3111611218d333c77370d9004e8743ca095308f6713c0f68d443fe008761c",
    "signer": "0x97BBA85E2FC209683375cc96C407927a546b82Cb",
    "userId": "776013071"
  }
}