{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x6f450b50d31a97d74ef54e35ca899750542756d0cca8495123113d70f88881c2",
    "signature": "0x0d48a4ec2fe494c0ee5d0c056e4d784cb768db87d566126d85cea153da7b14ce1229f7a756350610e8bff3317c56f94a88446d70eda3ec6943c27575feef0cf81c",
    "signer": "0x81b1B45A33ac76924D6f674Fc7d0918AC3E9F9Ec",
    "userId": "845684964"
  }
}