{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "362542161",
    "entityType": "User",
    "nonce": "0x75c6a1deab539e2d87a6500f04b00d169d2407bd22ba1b8efa70390f103edd12",
    "signature": "0x3584271c0de1dbd6d7b9409d2c30a4419a58cdd9adeb032a5854f423ecc20f7528f22f052b70521f99a2e9d9c2014e9541dd0f360e0012c4869cc999dfe27e711b",
    "signer": "0xEb46235f2D356C5a5BF3F4265bf6941D4B31e6A6",
    "userId": "984045925"
  }
}