{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65563",
    "entityType": "User",
    "nonce": "0x764ef1087009af9777cfe28354fe73d6f510f8037c8fff54aa7c60e11402bca7",
    "signature": "0x91b1f2c7d676849a630fcdecd70572b63fc2994d50bd723b74fec6483e2f979460f3e085d980a89914b57603e0270f97e6a00d917dfdca7cd6d1e4bfe33d61111b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}