{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44159",
    "entityType": "User",
    "nonce": "0x2f3be804fc5b77526d81e931e0ffcd270d71043df6db64d83f8b22206234b5b4",
    "signature": "0xe3e0aa6bdabe7555e655adb55800e2de96cc445edcd3012deef222c6fa2eab544a29810edc07972c34b6329cb9ca485152d5d6d1376c5554c96035088f1452c11c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}