{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x13b862972d8b79321ad313cd643a71d4fc613ce21fba0dceb62de4fa196f51cc",
    "signature": "0xbc961bc8d69832a7d9b7e4c40831c332e35a27ba97a206efa2971aefe2cd47a8001a6891c5ff9041cae4ee985151c4a51fc5f07aecb38320d94e65faca94efa71c",
    "signer": "0xAd3852b57Ce1853b5633884cCEb6bCF48AB644Be",
    "userId": "608902598"
  }
}