{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42216",
    "entityType": "User",
    "nonce": "0xd3482a48e86057aa195394af0083a669edcbe13d05cf21d8a4be010bc45df09d",
    "signature": "0xa77030e63ca0e529254c654aa33ccbc038d3bf1ca38e92401595df34e17227aa07a87786a5ce05cb04c3e7913ffd4720d59d8ce22551da72743c33c665707d601b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}