{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "390202",
    "entityType": "User",
    "nonce": "0x38cf155bc46d8c9789afd23dcebb00d7a51245f1a26bad99e6bd70a69cd9e34a",
    "signature": "0xbb02855e822f6ab5a2362f8a4fd43abe51064078fc000facc2d91448e9dba16a1274d432b40e0cce9887db258615cb3c2c2eecde153376363d630def7b8d1c871b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}