{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x4e8b7f2b6346cf3c48b1096c57232107dab6a62fcbaa23d3b7d9120f514e716b",
    "signature": "0x1a9c0b2efac3562719e8b91ff8b21897689b6c4ee6688e9d8be78111c8f9aeb36d19b2654fd5bccd27a00b1444010af5694847f13713b60a35cc0106ff2ea4521c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}