{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57937",
    "entityType": "User",
    "nonce": "0xcd098b38e0cfd5dab5fa025276d407074f071f80d17aaf02ccce12b7f5793e26",
    "signature": "0x0fcc0ddc00b5363ac3ca52e187f2870817490b2806d5f3cbd2c9a4528c2a06af6e1769dcb90fa149c88d45631a4b902f8ccdca2c59ed20be86590811cb07bfa41b",
    "signer": "0xf9Bf82B2ecB609ee37250F00C0835d529331385D",
    "userId": "654530894"
  }
}