{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "340353",
    "entityType": "User",
    "nonce": "0xa77e2c47443ca7a9719c02690de97f0d926d7b3ecfa10f624fd52de599ef5d1c",
    "signature": "0xf11797465223110a39f0fa93debc2fa822d19298c3c5e6cbf8df5549f160c9427fb0d1eb586f29decd3787d1a81bb1fe7b4e946a194421725ca31f457d2eaef51c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}