{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "920982069",
    "entityType": "User",
    "nonce": "0x09698c2db057bb95082bfea334ef4cde670d096813f48890b0a6fdd94739660e",
    "signature": "0x4958bc018da66b237befebc6a7f92268be4524a17f6d3a17a1764ce420f4e5f5081a75e36af0176980d9686b295276d5554842ab06b0a8f136338c0e32f767741c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}