{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "429201",
    "entityType": "User",
    "nonce": "0xe81f321ea7b32749a441275977b4f6ec9ac4f9ef17f4c01574c9c03dd22f693d",
    "signature": "0x740f4f1a9e791d418cf6029715ef1da9253ca94fd7daed7ebbf2f8b0844d4412671c7c6b208bbd13f030d70fadb0b9b2a13302675efe3ed26d9ea15bdc3481cb1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}