{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37085",
    "entityType": "User",
    "nonce": "0x1394efb43358d2ceaa5a13fbeb87c3cd9232647fc8dd04c51e518da6dd17d4c2",
    "signature": "0xf68c945905a10f784806be6057ed7f9c4c2a99bb25a41ce4578a772019dc49361d98ddc77bb72641f4cdeabe50f965c81e9479cb9f045e860e68f4b38a5177841c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}