{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1201400",
    "entityType": "User",
    "nonce": "0x932f69f099e25bdb88967ee729063452aadec52411e71f713d29c0e78fe33aa1",
    "signature": "0xe41ca61e21011a7c8daedd460050f861056bee18f2710841280a51efb6caa1d26e0e54478c74d13fa494aa38c61893ec5814e6f1e8168e9a9dde66960c74430c1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}