{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "201137",
    "entityType": "User",
    "nonce": "0xfa1ea28a20978636883e39ced260d272af66061d69acfee89d1338580d719641",
    "signature": "0xd874510161b72e401e9a0a184c6933db3581a2b30cdfd26623243dda6187529c49a49f9fa20513f1f5c87df9412f50081e5398a7865a778e749e1a592cb76cb71c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}