{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "270013",
    "entityType": "User",
    "nonce": "0x632449dcb3b7762349c63cde77ad3a3392dc00ff065bd0d8c432e8bedc8c5e1b",
    "signature": "0x45be29cc7927c3d3510cf97aebd9b5c8a0ccc49e2dbf750083884c40c797cf8f7f402b0bc0e7023bf598841ad483625ddfb5cc90d5fad737dc2aa5ddc281397a1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}