{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x175e9607d9544eee689dec1c87a2e540d829ca726e12deb47261b06af31eb2f9",
    "signature": "0xea802853e3ae939929f19d8a5a4879cab01eb1e20f73a7cbcf334bf4a4b537c10d73b22c55dd2bf12e3e0bbd72a4eca92fc4f311d1ffc7adc1b450cb1797608d1c",
    "signer": "0x3C2E92E01eaE8488e33eC019996123e37d53D39f",
    "userId": "735586682"
  }
}