{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xfb05ebfa49975a6f0a37c817b89d60efb63a9258edb55ce635813eb7861c3b24",
    "signature": "0x5b82e346d3ec8fbc42bd060d8a391d05dd5082a4f421e5c047a776f650f55a2007f5193730f0adb48cdb1ef6f76e98d4c79b38f2e0a765515907711f572fecb91b",
    "signer": "0x391d46062E4C46a3D553f4EAbB624Ac752dfF1a7",
    "userId": "752113572"
  }
}