{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xe29b4d30125c0c6b8bdd7c80b6e493a5415978930282538824c804af5564ba69",
    "signature": "0xb1e5785a06a852f5dbcfdf2f4c9b7490acb76c73fbb4b7f75331fac0238862da3eda879880521c996603aaccd8f0a42e9f9dfe5c1f5e4fb16f78671e6b9df4161c",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}