{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xfbf5d1be1f261708b84e0d5821f02c0c87dc87c86701c85f4d8f6a3f4f07ed1f",
    "signature": "0x32551c9749ffd62c6925b0c5b30c064eac70a486f694757a7e9e79e02091ba1a4a09070fe7fb25c6b99ebfd10d8c7b89d005ac94c35f367a58f90c3367711c001b",
    "signer": "0xe5C8656B7b39CB23624854b7B862F491EAbA2dB7",
    "userId": "713838474"
  }
}