{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x8cb5215e112b18c664eb5f85d1de1b8cf62080d4479b2ea2f614702096c4cb88",
    "signature": "0x4c7c451036a39b028abbc275b13fb3e82a196f29bdaea1d3073cc297078d7b5575d482cff8104c79c08a3f609d054ffdc40061171aba99b5e18236c6254e5fcd1b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}