{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x666a145da95b1bc16e050fc0eba271b879c5d4865aaa334ba6100cd08400913f",
    "signature": "0x4f7056f45482b51ec7f6e8a01dc243ee507a0f2feff39d1002c1218dd61d35785140d441aba61d3c53e9861dc7e7af7306b9bf3d320af46cd7c33d13dab179a21b",
    "signer": "0x0a058A8C49ae355B4721873dFA85790f1148Fd95",
    "userId": "55106628"
  }
}