{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "375993",
    "entityType": "User",
    "nonce": "0x92b830c7666663d15119362ccb78f7dc217388a43b421c9a0fad44dcf70875ef",
    "signature": "0xb7129e1e6567be6994c1d741644fbdc2b8e74e349903d25a3eca72454d0abbaa68ffea83697fd8ee234dd5fd1463960260e83cc7431609e7719a985fe7bd54b11c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}