{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0xcc79b3515e61463a8db829d025f2ee2dda18fbab8c785358c1d10896b4439d88",
    "signature": "0x1513ee87f6273e2199ec3be4dc9f4aaceaff0fc9bd7730b407bfafee6e2a5bf148d36930b75fe7d2f8896f85e3d7c2aceac65e6848294a7a037d359c94d6b8fe1b",
    "signer": "0xca7c61d7Db568b81B8A952B917F45dd863B736F1",
    "userId": "144109"
  }
}