{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139",
    "entityType": "User",
    "nonce": "0xda9971cd5455a86f5a1b8dc31d84d9ecba507ed8c7526feeffc536d7aea29e80",
    "signature": "0x02c32afc0e55e72fe565fa24b2930779f279c7ba9fef094fb1640cb1871ac571491cc21d3882ba6dc2b817d1e5090a81263f173b04ae3922a75313bb2a2fbcc21c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}