{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61055",
    "entityType": "User",
    "nonce": "0x1c23b3bfe56b5eeccb7a5a051ecb085e5306571040d7b18da1484be2b46f2a4a",
    "signature": "0xb1cf643bbdb00bc886f0d8e861ff339bc240d0f83c6aa1dc75795ad30c42c36a5dc49d2440f8b6c2e8e2bf8c24047b7039bd6fdc3b58b55b3a7aa96526b2aaae1b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}