{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40080",
    "entityType": "User",
    "nonce": "0xdb7b21928db9ff1a4c3e7a9121f7b98d633080ff64298bd98360ceb5f2ef495a",
    "signature": "0xa4c23fe67b5914a37ce2d5d91c8db037d92c4b6ce48d32a79767cd927813d9453a94d8e8bf0088e13e67dc81681fa9f514c77168c95ebbca42f119b20c4090731b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}