{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2703",
    "entityType": "User",
    "nonce": "0xb3075c3138e1cc110e5339eaea6cddc01534b26282fd7e11ab44190239aa2057",
    "signature": "0x7e2c291b17e5bc2d933a874d0f98ba19e416311ade577c5e0fc5adbbeab79a27672227e7ccafbed07ce76b6cc7d841a8c7b09901e5e8f2944e6f912f886778ed1b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}