{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828368024",
    "entityType": "User",
    "nonce": "0xba86005053afe2ac01e67e6b4a999a77f6610313d8fba6fa065c42e830d1b995",
    "signature": "0xc7a20dc1a439ca845a4fe7a1a4eed4543b8419517be7b6df886157b33cafe5e05b79514167fa712530118c1da3b7115f2fe2f918da35f36b1377d84b9ed607351c",
    "signer": "0xB57F94Ef9a26d73E8b35D3f37FccD18BcC7eeE00",
    "userId": "850416615"
  }
}