{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xa63e463f7ecdb80c035a842e2a117723376540e3517d5264ecbdbc1de2579c1a",
    "signature": "0x8d4cc2e7f44b8b1154594afdc5d6f0566cbe1b702d2bd46566adeecad5f8dceb37877842c9e161cdf433f2d1a778e36b56f992051396e2ada849b51400cf7a1e1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}