{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "764",
    "entityType": "User",
    "nonce": "0x9d907f87312743fe5e304b9c23d35344b5a21695d5233b26d064e17f29eab3c2",
    "signature": "0x7c119a2b0dd57c314cd4c269e84e33d69775c8c35efd657714d176b353a33893589a148c14779bc5648e94d2f5ab50a3e7b0e5ddce8f42383ce2cbc6d5d59e4b1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}