{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175670",
    "entityType": "User",
    "nonce": "0xdaed8269401e56f07d8c662a6eb31d6791f71f257f31192b57c8a95a720a9353",
    "signature": "0x9ad44bb1a69fdbb29549ab740e7193ad4340cb413dfeda3926c3af5d186f9ccf7f086a02578305cb769bd872d7d6f4a74ade7510fb3ed83bd12fe9b2852a2feb1c",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}