{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "582146503",
    "entityType": "User",
    "nonce": "0xb360a908b36cfaa5d6466951de090637ca03f591fb4be168b117a5a2632d7e4f",
    "signature": "0x2bc2c63d8250a584289d3961b8ab843bb31b536a3af768864c122c876e55c6d940e3ee24ef19bfad2e862c0bb643b43a84e19fa585f90e9817644f818c35a9db1c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}