{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6542",
    "entityType": "User",
    "nonce": "0x93a655f3491ceb815b97d7260b6ad722810291e40fd3268ba7942cf9891ddee2",
    "signature": "0x633c89dc350eef139e4df805f86bd43fc6849e680f879ec9096f048079aefba23767dd7c9ff2ff04637f6fbd95093b6db52c2356f145d6ca5e492818abdc78db1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}