{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xe262e596fa2e1a55eaa3251e8767f06c4030ccdb5931fafcfd63de7aa2a8ce56",
    "signature": "0x3af126568b963e12a974e4511e4142cfd0e95410b6b25c83083d7d239bf144727f993b489b9f949c04f379b6fe1feb685fb0d66969ff744a154d827aba8763681c",
    "signer": "0x90A9206Df4cA22A1ad24bfB7F1b639Aaa812Ac58",
    "userId": "266782887"
  }
}