{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "322802",
    "entityType": "User",
    "nonce": "0x12d88c51a8559408a58219b30ed2376929e416cc429b437a898f28d92de8a860",
    "signature": "0x896ddd32a7a2c7cdcdd2499607805bcc72c656d2513aa6e87c7ba381a2cbbdae3932896a74acbf8d7b67f415c59b4a35452e2f7a8fca7df4b063c3672f99d5c41c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}