{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x97aa446061a6ab6eaedc8014e683a79d716b65dfd8ea7ca762f3c9b3d0054fd2",
    "signature": "0x59245475de227dbc4fb6689fa3ed114d2fbeaa4790b61fbc878cd57bf11a56ee05d9c60800b26f64a92909699cd54b74bd7b3a81bdc40dec5fa085ed6a1513441c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}