{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xebadaa00c020efc8317f41c71600a4cd7896ef536e1b7d2f1f49509f1c8eb06e",
    "signature": "0xd33dc5f37366381c2685677335ec632e5ed3579f2bf423a72f26ee9bea15b8f54f6577e37a28804f7f60d86ebeb2b943652616a0e7726dff41f4541edc9f326d1c",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}