{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35837",
    "entityType": "User",
    "nonce": "0x6f7631bb1190bcfa6da2c61a4651b55ab1fa6b6160b367d5273dd41cdcf88171",
    "signature": "0xb1e390facacaa720c63047b945e94d104ca8b545891b2b2145bdacd3ade13d1467e95c341090133306ae9c5319b1a9910cbfdcba4c72c69c7b6e3c512faf059a1b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}