{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2799",
    "entityType": "User",
    "nonce": "0xde6cda02f804305436bf18ee4c85fb18e3568ccd4486915380f7bcceebe1bb23",
    "signature": "0xe7e24d0daa0e44cca17646ff3417fe82d19048b7f26d6fa00ba18111e2a4945847c96414bdbf90a13ece158045f1e352d45f1df1238c19eaf69264d44fd1663b1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}