{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167557",
    "entityType": "User",
    "nonce": "0x247dd07458c235c615606385314636b912fca60068871d72608b70af5dae0c41",
    "signature": "0x294115b2c411a7d73c7d3bf8c4bd69efd8b6cce737abb95750fa6eb0eb6bcd1d05d526dd189fb1503151105294dba4a92a4b22948c4dc0397a0604f7af07fc741b",
    "signer": "0x0d0E0D19797534AEF52736C60B52793E9f88e24F",
    "userId": "603294620"
  }
}