{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "842214964",
    "entityType": "User",
    "nonce": "0xa36ae139aa506f461730bd0d9831aa6c178cf2c83ee1d985bf2aee3827534145",
    "signature": "0x3706ad0fc671c1f5aa55d44489db46445e02b0ab1f9eafe56144f255c8d9adb95ca7893904e979fd4d19f8e400c03b181066a6ce2774519b10945fd53972de5a1c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}