{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xed7715465f78fd81bdb4f50488d9989bc81194d12f692bbafefe866f82b3e30a",
    "signature": "0xfbf61f45cffb35f60a8abb9ed8ec392d2ea0360c60689b37d82c2e52faf6b030502635a923ff31a1311ef7b9dabfccd02c35af9cd16e9d907b62b9e981120c901c",
    "signer": "0xCf935912401212345CAf723421Edcab4F675a495",
    "userId": "915454181"
  }
}