{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346717",
    "entityType": "User",
    "nonce": "0x66ba38c147b30a34e4f62768c9dcf68f437e75d063887b29c67bc9d15d2357fc",
    "signature": "0x172990c94f1e5204bef5df74aac0486709d61518c997944dd85fecf58e41c2bf6583f963f9fa97c0c2e3568c38a7a5ca2c81add9bdbd0f9b2869aef0b231d01e1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}