{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0x4156acfa93f6e1587d9fff8882692fe99c1b220a77b5df31cc69f2051a7d5217",
    "signature": "0x2497a9acc4557909ad7bb370dd57acbe9032bd1e729e356647e1fb6ef2115216177b75333f305a23728d7894be1af1c23a3c6014f35a16339fd0f000dd8776f71c",
    "signer": "0x2B28feb1CA15953a5a910C4E741698a24e8b3FE9",
    "userId": "887020893"
  }
}