{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "494564988",
    "entityType": "User",
    "nonce": "0x59fcc60441791fc3181c5ff92994a01955832efe99414b82adb78cd6c6b50916",
    "signature": "0xbae2145429494b2abc7b82da0ad589224e684f5bd61f109a74b7dd2d1d92e87d0511f2a6d974c15d6679335cb9e22e1707ac4283d40d26c74bdd258665c6ab8d1b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}