{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xef893d42c724e96bc764fcd9b20fc33ae6e4c8f6d75964cf6eb32a1c2f6a7f29",
    "signature": "0x2507d25307f87841a11c72a37265f313ae0b5bd6ccb71d9f992c1a22bbabd08d674d248acb173bfb96a32ef092dcf9973f5f095ec8001babdfe45bd80ff305111c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}