{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141473",
    "entityType": "User",
    "nonce": "0x6c06f1cb63a44af0dee00649423a57367419f89e1a3b07ce755a20783b822281",
    "signature": "0x9b6bd5af90fd2ccce428421ad8dcf1cf4f9a50f54cf00210d59b033d5325f1c37e5a0c9a6a066f96b159275fd8a92871b544a06973099b2c5db067882d79d1e11c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}