{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd09771d556d5916e72331790d0daf84b8667f63fd59a8e81f19a23a09c4229cb",
    "signature": "0x0daae8dddd33be90f79757172ee153a8134f43df685f07f44b4a396c0a565fa7699bd326ed8d201651b7735c395af9a5d2240b75fc8440419d562df97312d6b01c",
    "signer": "0x1c7c291Bf72BA12FfC5efe27b539695863A8fc7f",
    "userId": "647741962"
  }
}