{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1491129",
    "entityType": "User",
    "nonce": "0x86cec07c7e4cda8d9f5ad63a65f4ee2eb8a9404fee8f1fcbdcd76df4b9b67db4",
    "signature": "0x5c4174c3f94fa3f283620afb70bd4488b368ff68a6478ceb185c1ded54979be4793eb0dbd087e246d4cf097f1b911d137e6e213bff02c8b3a984664049aa1b2d1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}