{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "568518925",
    "entityType": "User",
    "nonce": "0x3015fe5d038418fc7135d31f1ff0a219100905779b889ed6cd9080997c242262",
    "signature": "0x077eeef5a58a48cac152862c69f8c68269eb7f204494a51e633acf716a12ad7d28a19fc4608f9947f12ad6991002a0d45812010d3d25dc640c8063c61bac7f691b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}