{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155087",
    "entityType": "User",
    "nonce": "0x43698e36077cf17e511774732caf3ab66d34b711329a84b9c0ff5e7c2a738002",
    "signature": "0xe4580584dbeb2363745d636bfc3279c5f72ea99b9abd5eec0daf08beacd263a15a042199b27e4925959ab08029e49b077f7d57c5f80ab6edc346a037f10aab611c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}