{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "447798047",
    "entityType": "User",
    "nonce": "0xb6d4569aa36ff19cb5cdfa8ef34857f3df1158280c1f33919d35b7a6741f59b1",
    "signature": "0xce1c169a7678310ae67b92a19e8a7e16e080a65d7267e85e5474969e7204754427b8fbeb48bd2d0525a07ec0c2988a3f7889b426f4209aec31342edcafd94fee1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}