{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "977045581",
    "entityType": "User",
    "nonce": "0xd2a1df98085ff8230f54d37f4111f048503f6d8f0065baea0036589af6d034ef",
    "signature": "0x8b077da8b1d770fec32a967f385bfc5412678677d6b3a4a5a9f66315942101b75db8b3303305374dc9f07f0609209b89ea06ad6f30bd7573218873640375be2b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}