{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994828784",
    "entityType": "User",
    "nonce": "0x2292efdb4da6a14b9aa3af00d3f6e50f0ea466cd6aa183f05da1551f72dfcbc6",
    "signature": "0x1ebd4dd1bb2967e9f21231f753dea0afe62ee6e5966bf517b010ee95d9623f4932f7d67cd78dce1b1070f493d1e9953c43f206b3c7475531322e9f75de63198d1b",
    "signer": "0xce0095E8E9Bc88bd9bDaB88670ab4f8AAD4457Bc",
    "userId": "511852300"
  }
}