{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1fbd85366b38a8c21287540f4e74093b5a5dbebe95b4969798908e92631dc6c4",
    "signature": "0x9aa8636f0c2185434e82babd55753cb580e768aa6d535e6b91e8750fff17fd816de1e3512d2b4e4999e93bb78ec94db14d8eb193b5b1516b7754bcac19383c6d1c",
    "signer": "0xC462a914958022Fe9eca3394279c78deDcfED030",
    "userId": "158581606"
  }
}