{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1",
    "entityType": "User",
    "nonce": "0x47f2ee218f4627bde77f11060e35f83dc98dac7d1b5b6c9dcb308e74dbb93d32",
    "signature": "0x51915c2eb9e110ed6a10e1b08ee6a759b16a2c5cc51aae244c63a5749bfb7fca3656d7343a23ce3f3e834912d0079a4c4ac9ed199b4ab2ea86d2500c5763e4791c",
    "signer": "0x65284b16c6C99f85DECF97dEA10cB715d52BfdDc",
    "userId": "533692254"
  }
}