{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "270013",
    "entityType": "User",
    "nonce": "0xca918f7ac193565edbc12e92d62a645309f6b9de5355022712873c61f2c5e609",
    "signature": "0xf169e0362085a58082186dd466045fb25d263bdc33f706d1d77cb7f5f2d6d75634d8df8836465526a997c57d1280beb580f71555aa6d12e534ec2e58ba123b891b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}