{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56798",
    "entityType": "User",
    "nonce": "0x75fffc7b315061cef85ed2ed9b97335750947c4a73974c7598e79c4fd67cd090",
    "signature": "0x9e1cc8a7245b8a4d62d0721186b6fdbbdf2a7e32151b730647f518accc3c3723680eb8c7ec2449a4c89852adc46ddf42f0c0141c7e923fe08b8d08086c7417461c",
    "signer": "0x0168976438910D2f5330323a0d0141Fb4Af95032",
    "userId": "317847"
  }
}