{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "298144",
    "entityType": "User",
    "nonce": "0x719a9ab9f745dbed7843ee063b04371dc149c19e70b86399f49a23a1b86634df",
    "signature": "0x8b57b2a0d7a071ffc3f7c0803a4feafc26fb0ffe519f040e529f1eaa519f37670c8354ca6451684b0f5241e417cb9764455f713e58f758e20b3b728498c273df1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}