{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "763088",
    "entityType": "User",
    "nonce": "0xa32b9bc2fbd01a877c4e99b9ba66771d0c5af1d912566df6d50f565736438198",
    "signature": "0xd76e976de1cb0de4dea5fecbf6fafa801e5f3069ec8d7a22c2ca8f89fd48a41d7b9ad9f61b359fc39eaa56710c553e9efb66140dd31967a469774b53b7cafb251b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}