{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x248c870e0a460bddc44d33aabfdec42a5bc34d8678299432ae3389d471163123",
    "signature": "0x458ee92b901c518f8f52ede5e3c3ac41c3b28e7195bff4897e1e4753caec96f139836947e25e838eada0a2421cd647ec1c3154f556eef9ccc949f48a543991ef1b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}