{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "344176",
    "entityType": "User",
    "nonce": "0x6d3ccae2f63815b7b8bb26969c2d1b4730d2a70c040045b7bea79b3fc90f09d7",
    "signature": "0x1c15d8981181bf104067485ce35aad04103e2fe3dd093e1abaa0d98c69a25fef47329280fb514ed170de9d76cb45657174d5ccf0a176e476a4cd76c388ed9fa61c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}