{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55234",
    "entityType": "User",
    "nonce": "0x257c7ef95690930884fabdc793af64e1e2bd0f906510ffe3986c2730081db704",
    "signature": "0x10e99c3c811eccab2c56b2fd19555d489d817e5cd65f91d2a2344007924a4df72825fda42ba5dc413452feb6d3fc329a43149004de97e557b5fa4dcf023374d21c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}