{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1906252",
    "entityType": "User",
    "nonce": "0xddbfb375e46f1cf90a1c33b8bf56ed636f360daaf6d1f82c8a21f11d35125cea",
    "signature": "0x9d441ee1f926f5a7de4e767a2914622e541b1f13238760183982577cbadd533c558ce8b8b8bf299c32a577fe4107f9067a5677ccfdd90185b2716561c54411771b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}