{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980265870",
    "entityType": "User",
    "nonce": "0x49161d6744ba1cdc6dc1c0df19328c155c960c84f97740c35f40e33083dcf12b",
    "signature": "0xa7b1312e7e6dd30fce2b9f70188edbdc3c7db4aa2295eda1f4f77824c9463850005f73a0e17eb71b8c16abc5cf39c7181445be3ebd908e59bb06bd6805fa83bd1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}