{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125642",
    "entityType": "User",
    "nonce": "0x70be052ddcf69389ca812ad10f08235b7e031b79b5385bbaa982a3cb71cc1abc",
    "signature": "0x99704c3103826cd7b14c17390b304ffec44863ab6d403462deea50fa1cdb264c28e54e060bf5b33b833406b6c2791295ef262543b5da4bffa8cae09645199bd51c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}