{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99913",
    "entityType": "User",
    "nonce": "0x7a488fc6ed69b3bebd20be2edd686184e5589c553e73373020ab52c9296da3b7",
    "signature": "0x7dd84d08e891ae3ebd0d8677bd207e6638f407582664351d876592b076b65a7c4741655b8cfb313f51ab08d4a175e037d292f72c07a16d4880251c192d798aeb1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}