{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x649197c36a77dee28a1df77c222e0d67ddfbeeb603feae868a5410c1f6c33ae8",
    "signature": "0x76e15494e004447b4170fe9963406a86e8b74a9a78e283b915a18ba699b1075361364b9bf95b3fd9388c35ecba33415f0392c3581835f82f9f3018f39125eea61b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}