{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980280220",
    "entityType": "User",
    "nonce": "0x12093ca5379e9e00fdc402ac375d81a4666a2a323c61095ac4553bbec956878a",
    "signature": "0x30bc0f219d4ccef9226eda3bab7934fb86457bd27f353b32f748ba9d638342c6513f9c5dbac4466ff662fc5ef504d53332a970ac936383048400de65c8adff981b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}