{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967908042",
    "entityType": "User",
    "nonce": "0xd8ac76d4169b213136e0c8320b663077a3d99475651fe15d5971cfe08b533133",
    "signature": "0x5bb28928991bf2fdbdb80b9660d9d650da65d17acda12bea154233c08f6b760b06399ba1ec72e191940a4fbca9134dde8efefdacf35f992d07fcf8666c33b8721b",
    "signer": "0x9FF2A7F5Fab732dA57359bb3eD63a95511bD1329",
    "userId": "67863854"
  }
}