{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "829350",
    "entityType": "User",
    "nonce": "0x375fff214f9662b337300482f665c42f03ac3e143a07d74ea2fa70aabe4b31be",
    "signature": "0xb9f48d8066c1d909e668cb0021fee7ee19ee045f73ce91ebd9bac6e6d53d2c2563d29932afe0edb76a24beccbf5de46d38e30c588dd3b921a35ba197095d86341b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}