{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154253595",
    "entityType": "User",
    "nonce": "0xd729c8a619593dac9ec728e3a07b9652a27e912526b64d12d4e11419683c9dbc",
    "signature": "0xa22cff638c2179af99e6b869ef71513e205d4f130e8612aa7ea040add78694da39c0e1b33e2fe8b90bcd7ee53de8d38e84eb162d25bfb568918152e56f6b11fb1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}