{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbfcff0d85b160487d5ba475515b6ece705aef7d25405fe9112a1e6acd3dfd8d9",
    "signature": "0x4244b2c7e856681cc55fb736ea80e425e2644522731879e7f101af49438bea0f75f18e21bf2c6cf1704b402f90ee22dad2858001daefd2fd4114acf6c37d74761c",
    "signer": "0x565Df190Ec9CEf88C79edF64bdD3Ce7305197601",
    "userId": "983884919"
  }
}