{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "256479919",
    "entityType": "User",
    "nonce": "0xe7f9152b06cb65523bf424bc4212d03c15f508dd157d0715ffc12fab4ef458d7",
    "signature": "0x301e349c573da179bf15400efec12abdf01db40ed906a5b400e9f776ee9b547c3f1ca3b4f827dacd1f7db252f0ea73acf86d6f136f9b73a239cec909ba27cc311b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}