{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "290013",
    "entityType": "User",
    "nonce": "0xee233bcbe6bb5957112a85689a5ec21da35a01724c6cfe19b1b3becd9b4ba813",
    "signature": "0x1e726c5f803035768a453fab5c0f96dd1a7b7bdd82063d52ee8bc38065a9f7d76723872fa7129005bb9be2ae52de35d403373b99d24b2a647b86ca2a06e53d241c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}