{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xd44914a1714b46910c33f77d7ec245b56e1e1fa481485a9294331ac4160bcb50",
    "signature": "0x853f2a86c40506f78d54a318557063deae1b00302a13f6924f34c6c243ca31fd253f6cc2cb549949a8c407c77335565a2f773c7614127be3fa3fb06f9daf12891b",
    "signer": "0xFCdf899365d2fD042C4A0A2DB1715E79DF054F23",
    "userId": "672425286"
  }
}