{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79876745",
    "entityType": "User",
    "nonce": "0xe93ada4f01a5c088a0ff9c24a6a1e856f353288c27d5826f9f301168e29e94e3",
    "signature": "0x48aa6c57e9a84d1fdddeb0c90c90aa10a732093851f81b800bcf6bfa332f7bec01d18e4384342fb3791cf0a2bda3e5f1915aa71bcab30d59259d20a42e4e81a21b",
    "signer": "0xD557322f4C774bc1d087C164282a9eA16f825e2B",
    "userId": "67688885"
  }
}