{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1283820",
    "entityType": "User",
    "nonce": "0xc01a941cc4234825fc266c6ac627de6c018467892b336f9ae3ddfcfb06585ba6",
    "signature": "0x8f71af8375d11bd5fc235b722af03e08f50ce5ef88153227ec59bba4c930fbf07d4af75bd56ebf34b2c9a782be48c78c4c5ac8a0a221b11f055e73a1fd9e5a561b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}