{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176490",
    "entityType": "User",
    "nonce": "0xd4d621512747bc59c86d90c5fd31ea808cce55a68408fbb4d45aa963694f1a6c",
    "signature": "0x4a77f1545624f1692ca949ca1e0e515de0da364aba0540344c30fa460445a5c2792842f06b79fc05cb7facf8b93cc657ae7c978fd5cae423b12f14ca5b989c5e1c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}