{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1493",
    "entityType": "User",
    "nonce": "0x2499a9f44a2ab251a39f7aae926822fd2351dfe06c3071ae4df14e870b17ae60",
    "signature": "0xfd98542165ac3d662da4452b1a00added57e94d1cc3c080d9c802c3f0772b63431d29ced6e73dfff8cb063d236b63df724fb05267ecd7ce5eaaea3e103c9ca331c",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}