{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x8a6b59075b540ed64ae15a564094f84ece992ab9df88bea0c5486af4ba97a215",
    "signature": "0x3a6f1b59486cd3d89eda9e1cd08cf6eb18b3658381f4202c2d20eee7b839f0fc280dcce77934c0e3401b38361578fa7b43f3b41ff0b4261a7cd1a57ff7aa91bb1c",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}