{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3829",
    "entityType": "User",
    "nonce": "0x463771c3cdaecdc734c6f0ac33b5a4ebd118ce499b97a484abce976c061ddb51",
    "signature": "0xbdd6385c1555dee1f7698ee6da37d2b7bce91b9e9764abea321db2419fee6e9f78c6baa19a6f3ce94a4678caf266a1fc5bafc341a8029e74bb3f55e1742e0b341b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}