{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x908ce5c8a6b754d344c57d0c5d61fd04c5095ec395ba9120f0311178b6deeb56",
    "signature": "0xb742165383f7ba2e279f8ce829986b048739b93803703ba6bf6426779e1561217ade4708bc862e496058a45234bb6a76d487b049a068bd3aa0b47bfc57cbcaa41b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}