{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235743",
    "entityType": "User",
    "nonce": "0x871165313e89c501b6ead60b6436b2a12283c8fffad9a5f5c2d6215188fceafa",
    "signature": "0x943ba975b27e346b6b232a0d05b5c87d41289519a487d6c07bbfa9c779a4155000a646655394b97ff8dd3708090df742881220c064672372c84ee58c92d762c01b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}