{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "472007697",
    "entityType": "User",
    "nonce": "0xcaf6fadfc67293a37222a80a00c4d365bec7018f56a8d8c40f4cd43e8520578a",
    "signature": "0x208381ed415ba7ee9ffb2e87e1031ddd312ba6e63df2489d8515f772650414c3272bc68998cbd5af20f2d78e06d47a5017b8856639648f80857588d558f3778e1c",
    "signer": "0xa1962F596d0c21815F786Be31Cce30330233Cd5a",
    "userId": "653470626"
  }
}