{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854498636",
    "entityType": "User",
    "nonce": "0x2635d37f22df4ba147b177994f0ecd7e213b72627aaded94292e6b637a047b27",
    "signature": "0x94206c089d4a24716a173f5c34645c32bec2c67d588055a00804f6c51cfbefdf33dc0a8bb2dfc71cb6c2ad8941fbe82d84b3dc0b59071c61f432e95b27aaa2501c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}