{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "971292289",
    "entityType": "User",
    "nonce": "0x1f97078defc2bc60b20e4592bccd10035ad6477cd665a72f005794146f1859d8",
    "signature": "0xaca70664239c5285d6e7595864856e11a43d60f822697c4aa897e7aa0c96540c47814494797e5d2435f832afc8f4735fa1684b4eb3ade01305f03ea3e44195891b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}