{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632918751",
    "entityType": "User",
    "nonce": "0x793732fb193df2c9358b3c92c881109816123f43ef57a22593f1983d0e56d09f",
    "signature": "0x5f066695fb7b4673f8c339ecbd7f87f8bf91afc64c2cecae3861fe0e887db8625d9f6860e5e98cec510a52bb85a6d7e1d1136bedce8aae5e5e75522d495aee2e1b",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}