{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "906222947",
    "entityType": "User",
    "nonce": "0x0088f3b938a01d06e55c4981674c4e701110efec70fdeaa9bc16bfed0ab5e679",
    "signature": "0xd10fa63485ff365438fed7d6c74aef099ea8868a5602842b2746f19f7d6b393b772a91fea1e1cc76d32e3cdea474239e238f8af7127dc9e6910fc2636d37cdf91c",
    "signer": "0x5C13CD392EcB86FaceF8A07FC5B300833E86cD23",
    "userId": "167249"
  }
}