{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54017285",
    "entityType": "User",
    "nonce": "0x85af6496fc640725deb530b33992a04223e1542a13d16888d84f56c9adb96365",
    "signature": "0xa5cbc4e93a26a069c3c7ec2945c790f98501d6a534670d42b60f84477c8b039b59c2fc6fe1ba188cb52e192d3eec498d4b74aef5dd2b09b5a04d619b9d1ac19b1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}