{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "249924637",
    "entityType": "User",
    "nonce": "0x8bddad0fceeecede692acf0b8d562f8f2768380165bdda7ef7688403a46e0d74",
    "signature": "0x9b291996881d7f1f215fd752eefeacdd62f7cda81080c6c50278fe76ca8be4893313134b18fd341c53b432a09d80c7cc57a7620d3994f55860302a9393bf277a1b",
    "signer": "0x00fCB0bB4456cbCE5AaEc8e2D5207980eefDA84e",
    "userId": "175956096"
  }
}