{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152605886",
    "entityType": "User",
    "nonce": "0x6266a656543f4e95105c28ce92ca5bcd76b9a481f65e0a9c26766d10753a107a",
    "signature": "0x55f0709021adf6994017a1206c634a17ee71ebba040345dfe96566af143ba45535ecf85ee1cfe61823017fa74599236cba3df9ab0d126478c8c4fc63b6fa7e2e1c",
    "signer": "0xd4195E320e776cBc301319933537B77D03E70f87",
    "userId": "156886147"
  }
}