{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xcfa2c9f6f7093c23e111a1599b455df5c32226f524256c9403b4c5de777ea73d",
    "signature": "0xc1fac7f29e811f5e5282b4616c8b1feaa72007c7f6ed1c21dbbb0ecd3b83538d28bdcc1e6ec28b38eebf768f63c1656db65d17b8e25d9d51ccc1d6a9604d5b1e1c",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}