{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "992461771",
    "entityType": "User",
    "nonce": "0x35bfaae98e98785a8382007cb7dec261b145a8bc0481d8cc772ee463f473a5f0",
    "signature": "0xd7843907948f34b962e8acd5a79076ba4d969f395905b6caf5e22661ec737a67500e25d610acdb89be53cf2cfe5f09aa402a6602f917e3d35ac456b914877a181b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}