{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x5e3776413799ff63def9846a10ae992a5b6a21e8463bab14d92e918100bb37fc",
    "signature": "0xdf0914816e56971dd072232e3da7fd9e18195f66dc9ffab5f245520bfc50a1fc370b7684c4971d40f248d733f242892827773fb97ed9863907d2cb98909c0edd1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}